Linus is a minor character that is mostly used for a visual gag.
Linus is a character that originates from the movie "The Adventures of Sharkboy and Lavagirl." In the movie, Linus is a bully to the main character, Max. Linus also has some sort of dream power similar to Max later in the movie, and they become friendly with each other by the end.
In Mudmage Season 1, Max dreams of Linus dead in his dreams, and also appears in heaven in the epilogue.