diff --git a/backend/src/plugins/Automod/functions/matchMultipleTextTypesOnMessage.ts b/backend/src/plugins/Automod/functions/matchMultipleTextTypesOnMessage.ts
index f0eee5ec..a82c526e 100644
--- a/backend/src/plugins/Automod/functions/matchMultipleTextTypesOnMessage.ts
+++ b/backend/src/plugins/Automod/functions/matchMultipleTextTypesOnMessage.ts
@@ -42,7 +42,7 @@ export async function* matchMultipleTextTypesOnMessage(
   }
 
   if (trigger.match_visible_names) {
-    yield ["visiblename", member.nickname || member.user.globalName || msg.data.author.username];
+    yield ["visiblename", member.displayName || msg.data.author.username];
   }
 
   if (trigger.match_usernames) {
diff --git a/backend/src/plugins/Automod/triggers/roleAdded.ts b/backend/src/plugins/Automod/triggers/roleAdded.ts
index 754be1b3..5d18de99 100644
--- a/backend/src/plugins/Automod/triggers/roleAdded.ts
+++ b/backend/src/plugins/Automod/triggers/roleAdded.ts
@@ -38,7 +38,7 @@ export const RoleAddedTrigger = automodTrigger<RoleAddedMatchResult>()({
     const role = pluginData.guild.roles.cache.get(matchResult.extra.matchedRoleId as Snowflake);
     const roleName = role?.name || "Unknown";
     const member = contexts[0].member!;
-    const memberName = `**${renderUsername(member.user)}** (\`${member.id}\`)`;
+    const memberName = `**${renderUsername(member)}** (\`${member.id}\`)`;
     return `Role ${roleName} (\`${matchResult.extra.matchedRoleId}\`) was added to ${memberName}`;
   },
 });
diff --git a/backend/src/plugins/Automod/triggers/roleRemoved.ts b/backend/src/plugins/Automod/triggers/roleRemoved.ts
index fc5d5ae3..9452bdda 100644
--- a/backend/src/plugins/Automod/triggers/roleRemoved.ts
+++ b/backend/src/plugins/Automod/triggers/roleRemoved.ts
@@ -38,7 +38,7 @@ export const RoleRemovedTrigger = automodTrigger<RoleAddedMatchResult>()({
     const role = pluginData.guild.roles.cache.get(matchResult.extra.matchedRoleId as Snowflake);
     const roleName = role?.name || "Unknown";
     const member = contexts[0].member!;
-    const memberName = `**${renderUsername(member.user)}** (\`${member.id}\`)`;
+    const memberName = `**${renderUsername(member)}** (\`${member.id}\`)`;
     return `Role ${roleName} (\`${matchResult.extra.matchedRoleId}\`) was removed from ${memberName}`;
   },
 });
diff --git a/backend/src/plugins/BotControl/commands/ServersCmd.ts b/backend/src/plugins/BotControl/commands/ServersCmd.ts
index 3658a36c..5b2cf9c7 100644
--- a/backend/src/plugins/BotControl/commands/ServersCmd.ts
+++ b/backend/src/plugins/BotControl/commands/ServersCmd.ts
@@ -48,10 +48,9 @@ export const ServersCmd = botControlCmd({
         const lines = filteredGuilds.map((g) => {
           const paddedId = g.id.padEnd(longestId, " ");
           const owner = getUser(pluginData.client, g.ownerId);
-          return `\`${paddedId}\` **${g.name}** (${g.memberCount} members) (owner **${renderUsername(
-            owner.username,
-            owner.discriminator,
-          )}** \`${owner.id}\`)`;
+          return `\`${paddedId}\` **${g.name}** (${g.memberCount} members) (owner **${renderUsername(owner)}** \`${
+            owner.id
+          }\`)`;
         });
         createChunkedMessage(msg.channel, lines.join("\n"));
       } else {
diff --git a/backend/src/plugins/Cases/functions/createCase.ts b/backend/src/plugins/Cases/functions/createCase.ts
index 70717f51..c68b899f 100644
--- a/backend/src/plugins/Cases/functions/createCase.ts
+++ b/backend/src/plugins/Cases/functions/createCase.ts
@@ -8,16 +8,16 @@ import { postCaseToCaseLogChannel } from "./postToCaseLogChannel";
 
 export async function createCase(pluginData: GuildPluginData<CasesPluginType>, args: CaseArgs) {
   const user = await resolveUser(pluginData.client, args.userId);
-  const userName = renderUsername(user.username, user.discriminator);
+  const name = renderUsername(user);
 
   const mod = await resolveUser(pluginData.client, args.modId);
-  const modName = renderUsername(mod.username, mod.discriminator);
+  const modName = renderUsername(mod);
 
   let ppName: string | null = null;
   let ppId: Snowflake | null = null;
   if (args.ppId) {
     const pp = await resolveUser(pluginData.client, args.ppId);
-    ppName = renderUsername(pp.username, pp.discriminator);
+    ppName = renderUsername(pp);
     ppId = pp.id;
   }
 
@@ -32,7 +32,7 @@ export async function createCase(pluginData: GuildPluginData<CasesPluginType>, a
   const createdCase = await pluginData.state.cases.create({
     type: args.type,
     user_id: user.id,
-    user_name: userName,
+    user_name: name,
     mod_id: mod.id,
     mod_name: modName,
     audit_log_id: args.auditLogId,
diff --git a/backend/src/plugins/ModActions/commands/CasesModCmd.ts b/backend/src/plugins/ModActions/commands/CasesModCmd.ts
index a911091d..12b6c05c 100644
--- a/backend/src/plugins/ModActions/commands/CasesModCmd.ts
+++ b/backend/src/plugins/ModActions/commands/CasesModCmd.ts
@@ -1,7 +1,7 @@
-import { APIEmbed, GuildMember, User } from "discord.js";
+import { APIEmbed } from "discord.js";
 import { commandTypeHelpers as ct } from "../../../commandTypes";
 import { sendErrorMessage } from "../../../pluginUtils";
-import { emptyEmbedValue, renderUsername, resolveMember, resolveUser, trimLines } from "../../../utils";
+import { UnknownUser, emptyEmbedValue, renderUsername, resolveMember, resolveUser, trimLines } from "../../../utils";
 import { asyncMap } from "../../../utils/async";
 import { createPaginatedMessage } from "../../../utils/createPaginatedMessage";
 import { getChunkedEmbedFields } from "../../../utils/getChunkedEmbedFields";
@@ -31,7 +31,7 @@ export const CasesModCmd = modActionsCmd({
     const mod =
       (await resolveMember(pluginData.client, pluginData.guild, modId)) ||
       (await resolveUser(pluginData.client, modId));
-    const modName = mod instanceof User ? renderUsername(mod) : modId;
+    const modName = mod instanceof UnknownUser ? modId : renderUsername(mod);
 
     const casesPlugin = pluginData.getPlugin(CasesPlugin);
     const totalCases = await casesPlugin.getTotalCasesByMod(modId);
@@ -59,7 +59,7 @@ export const CasesModCmd = modActionsCmd({
         const embed = {
           author: {
             name: title,
-            icon_url: mod instanceof User || mod instanceof GuildMember ? mod.displayAvatarURL() : undefined,
+            icon_url: mod instanceof UnknownUser ? undefined : mod.displayAvatarURL(),
           },
           fields: [
             ...getChunkedEmbedFields(emptyEmbedValue, lines.join("\n")),
diff --git a/backend/src/plugins/ModActions/commands/CasesUserCmd.ts b/backend/src/plugins/ModActions/commands/CasesUserCmd.ts
index 05ab65eb..7b3714b6 100644
--- a/backend/src/plugins/ModActions/commands/CasesUserCmd.ts
+++ b/backend/src/plugins/ModActions/commands/CasesUserCmd.ts
@@ -46,7 +46,7 @@ export const CasesUserCmd = modActionsCmd({
     const user =
       (await resolveMember(pluginData.client, pluginData.guild, args.user)) ||
       (await resolveUser(pluginData.client, args.user));
-    if (!user.id || user instanceof UnknownUser) {
+    if (user instanceof UnknownUser) {
       sendErrorMessage(pluginData, msg.channel, `User not found`);
       return;
     }
diff --git a/backend/src/plugins/ModActions/commands/WarnCmd.ts b/backend/src/plugins/ModActions/commands/WarnCmd.ts
index f917c55e..218eeaf3 100644
--- a/backend/src/plugins/ModActions/commands/WarnCmd.ts
+++ b/backend/src/plugins/ModActions/commands/WarnCmd.ts
@@ -106,7 +106,7 @@ export const WarnCmd = modActionsCmd({
     sendSuccessMessage(
       pluginData,
       msg.channel,
-      `Warned **${renderUsername(memberToWarn.user)}** (Case #${warnResult.case.case_number})${messageResultText}`,
+      `Warned **${renderUsername(memberToWarn)}** (Case #${warnResult.case.case_number})${messageResultText}`,
     );
   },
 });
diff --git a/backend/src/plugins/ModActions/events/PostAlertOnMemberJoinEvt.ts b/backend/src/plugins/ModActions/events/PostAlertOnMemberJoinEvt.ts
index 7874c241..82e39547 100644
--- a/backend/src/plugins/ModActions/events/PostAlertOnMemberJoinEvt.ts
+++ b/backend/src/plugins/ModActions/events/PostAlertOnMemberJoinEvt.ts
@@ -46,9 +46,7 @@ export const PostAlertOnMemberJoinEvt = modActionsEvt({
       }
 
       await alertChannel.send(
-        `<@!${member.id}> (${renderUsername(member.user)} \`${member.id}\`) joined with ${
-          actions.length
-        } prior record(s)`,
+        `<@!${member.id}> (${renderUsername(member)} \`${member.id}\`) joined with ${actions.length} prior record(s)`,
       );
     }
   },
diff --git a/backend/src/plugins/ModActions/functions/actualKickMemberCmd.ts b/backend/src/plugins/ModActions/functions/actualKickMemberCmd.ts
index fac3f906..a755ee08 100644
--- a/backend/src/plugins/ModActions/functions/actualKickMemberCmd.ts
+++ b/backend/src/plugins/ModActions/functions/actualKickMemberCmd.ts
@@ -103,7 +103,7 @@ export async function actualKickMemberCmd(
   }
 
   // Confirm the action to the moderator
-  let response = `Kicked **${renderUsername(memberToKick.user)}** (Case #${kickResult.case.case_number})`;
+  let response = `Kicked **${renderUsername(memberToKick)}** (Case #${kickResult.case.case_number})`;
 
   if (kickResult.notifyResult.text) response += ` (${kickResult.notifyResult.text})`;
   sendSuccessMessage(pluginData, msg.channel, response);
diff --git a/backend/src/plugins/Mutes/commands/MutesCmd.ts b/backend/src/plugins/Mutes/commands/MutesCmd.ts
index 22cd74c5..5000218c 100644
--- a/backend/src/plugins/Mutes/commands/MutesCmd.ts
+++ b/backend/src/plugins/Mutes/commands/MutesCmd.ts
@@ -74,7 +74,7 @@ export const MutesCmd = mutesCmd({
       totalMutes = manuallyMutedMembers.length;
 
       lines = manuallyMutedMembers.map((member) => {
-        return `<@!${member.id}> (**${renderUsername(member.user)}**, \`${member.id}\`)   🔧 Manual mute`;
+        return `<@!${member.id}> (**${renderUsername(member)}**, \`${member.id}\`)   🔧 Manual mute`;
       });
     } else {
       // Show filtered active mutes (but not manual mutes)
diff --git a/backend/src/plugins/Starboard/util/createStarboardEmbedFromMessage.ts b/backend/src/plugins/Starboard/util/createStarboardEmbedFromMessage.ts
index 5126f20f..93ba4dfd 100644
--- a/backend/src/plugins/Starboard/util/createStarboardEmbedFromMessage.ts
+++ b/backend/src/plugins/Starboard/util/createStarboardEmbedFromMessage.ts
@@ -28,7 +28,7 @@ export function createStarboardEmbedFromMessage(
     embed.color = color;
   }
 
-  embed.author.icon_url = (msg.member || msg.author).displayAvatarURL();
+  embed.author.icon_url = (msg.member ?? msg.author).displayAvatarURL();
 
   // The second condition here checks for messages with only an image link that is then embedded.
   // The message content in that case is hidden by the Discord client, so we hide it here too.
diff --git a/backend/src/plugins/Utility/commands/AvatarCmd.ts b/backend/src/plugins/Utility/commands/AvatarCmd.ts
index b1215df6..e4ba07d5 100644
--- a/backend/src/plugins/Utility/commands/AvatarCmd.ts
+++ b/backend/src/plugins/Utility/commands/AvatarCmd.ts
@@ -14,7 +14,7 @@ export const AvatarCmd = utilityCmd({
   },
 
   async run({ message: msg, args, pluginData }) {
-    const user = args.user || msg.member || msg.author;
+    const user = args.user ?? msg.member ?? msg.author;
     if (!(user instanceof UnknownUser)) {
       const embed: APIEmbed = {
         image: {
diff --git a/backend/src/plugins/Utility/commands/LevelCmd.ts b/backend/src/plugins/Utility/commands/LevelCmd.ts
index df4d9325..5830f66a 100644
--- a/backend/src/plugins/Utility/commands/LevelCmd.ts
+++ b/backend/src/plugins/Utility/commands/LevelCmd.ts
@@ -18,6 +18,6 @@ export const LevelCmd = utilityCmd({
   run({ message, args, pluginData }) {
     const member = args.member || message.member;
     const level = getMemberLevel(pluginData, member);
-    message.channel.send(`The permission level of ${renderUsername(member.user)} is **${level}**`);
+    message.channel.send(`The permission level of ${renderUsername(member)} is **${level}**`);
   },
 });
diff --git a/backend/src/plugins/Utility/commands/VcdisconnectCmd.ts b/backend/src/plugins/Utility/commands/VcdisconnectCmd.ts
index 240c763f..b6863599 100644
--- a/backend/src/plugins/Utility/commands/VcdisconnectCmd.ts
+++ b/backend/src/plugins/Utility/commands/VcdisconnectCmd.ts
@@ -43,7 +43,7 @@ export const VcdisconnectCmd = utilityCmd({
     sendSuccessMessage(
       pluginData,
       msg.channel,
-      `**${renderUsername(args.member.user)}** disconnected from **${channel.name}**`,
+      `**${renderUsername(args.member)}** disconnected from **${channel.name}**`,
     );
   },
 });
diff --git a/backend/src/plugins/Utility/commands/VcmoveCmd.ts b/backend/src/plugins/Utility/commands/VcmoveCmd.ts
index 6ffe8588..259c60b5 100644
--- a/backend/src/plugins/Utility/commands/VcmoveCmd.ts
+++ b/backend/src/plugins/Utility/commands/VcmoveCmd.ts
@@ -80,7 +80,7 @@ export const VcmoveCmd = utilityCmd({
       newChannel: channel,
     });
 
-    sendSuccessMessage(pluginData, msg.channel, `**${renderUsername(args.member.user)}** moved to **${channel.name}**`);
+    sendSuccessMessage(pluginData, msg.channel, `**${renderUsername(args.member)}** moved to **${channel.name}**`);
   },
 });
 
@@ -153,7 +153,7 @@ export const VcmoveAllCmd = utilityCmd({
         sendErrorMessage(
           pluginData,
           msg.channel,
-          `Failed to move ${renderUsername(currMember.user)} (${currMember.id}): You cannot act on this member`,
+          `Failed to move ${renderUsername(currMember)} (${currMember.id}): You cannot act on this member`,
         );
         errAmt++;
         continue;
@@ -168,11 +168,7 @@ export const VcmoveAllCmd = utilityCmd({
           sendErrorMessage(pluginData, msg.channel, "Unknown error when trying to move members");
           return;
         }
-        sendErrorMessage(
-          pluginData,
-          msg.channel,
-          `Failed to move ${renderUsername(currMember.user)} (${currMember.id})`,
-        );
+        sendErrorMessage(pluginData, msg.channel, `Failed to move ${renderUsername(currMember)} (${currMember.id})`);
         errAmt++;
         continue;
       }
diff --git a/backend/src/plugins/Utility/functions/getUserInfoEmbed.ts b/backend/src/plugins/Utility/functions/getUserInfoEmbed.ts
index d8ccc833..88e4aba0 100644
--- a/backend/src/plugins/Utility/functions/getUserInfoEmbed.ts
+++ b/backend/src/plugins/Utility/functions/getUserInfoEmbed.ts
@@ -43,7 +43,7 @@ export async function getUserInfoEmbed(
     name: `${user.bot ? "Bot" : "User"}:  ${renderUsername(user)}`,
   };
 
-  const avatarURL = (member || user).displayAvatarURL();
+  const avatarURL = (member ?? user).displayAvatarURL();
   embed.author.icon_url = avatarURL;
 
   if (compact) {
diff --git a/backend/src/plugins/Utility/search.ts b/backend/src/plugins/Utility/search.ts
index 632a85a7..76c5af9c 100644
--- a/backend/src/plugins/Utility/search.ts
+++ b/backend/src/plugins/Utility/search.ts
@@ -381,7 +381,7 @@ async function performMemberSearch(
         return true;
       }
 
-      const fullUsername = renderUsername(member.user);
+      const fullUsername = renderUsername(member);
       if (await execRegExp(queryRegex, fullUsername).catch(allowTimeout)) return true;
 
       return false;
@@ -492,7 +492,7 @@ function formatSearchResultList(members: Array<GuildMember | User>): string {
     const paddedId = member.id.padEnd(longestId, " ");
     let line;
     if (member instanceof GuildMember) {
-      line = `${paddedId} ${renderUsername(member.user)}`;
+      line = `${paddedId} ${renderUsername(member)}`;
       if (member.nickname) line += ` (${member.nickname})`;
     } else {
       line = `${paddedId} ${renderUsername(member)}`;