Hide Twitch Chat Users v2.1.0
Click on the icon in your chrome menu to edit settings. Enter the names of usernames you would like to hide messages from in Twitch.tv chats (split by whitespace and/or commas).
Check the "hide" checkbox in order for this to take effect. On all Twitch pages, a script will run every 100 milliseconds to hide all messages in chats from the usernames you wrote down.