Thelonius was Lord Farquaad's henchman. He had a lack of intelligence. He also had a hood covering his head, so he could have been also the executioner.
Thelonious is the henchman of Lord Farquaad and is the one who tortures Gingy and threatens the Magic Mirror . He isn't seen until Shrek's Karaoke Dance Party where he seems to have become friends with Gingy, After he turned on Lord Farquaad.
Thelonius also appears in Shrek 4-D, where he first became the henchman of Lord Farquaad again but during the story he turns on Farquaad and became friends with Fiona, Shrek, Donkey and Dragon. It is unknown where he went after Farquad's Ghost disappered.
Shrek Forever AfterEdit
Thelonius makes a cameo appearance in the end credits at the Executive Producer writing the name (Aron Warner).
Thelonious appears in Shrek Smash and Crash Racing. Thelonious is one of the eight unlockable racers in this game. Thelonious's kart is the Black Horse that he used in the Shrek films. Thelonious's personal item is a giant stone age axe.