Thelonious is the boyfriend of Jaylen Donovan and a patient at Seattle Grace Mercy West Hospital.
Thelonious is the secondary antagonist and later an anti-hero of the 2001 DreamWorks film, Shrek, and the 2003 3-D short Shrek 4-D. He is the dimwitted minion of Lord Farquaad. He appears to be Lord Farquaad's royal executioner within the kingdom of Duloc. He was voiced by Christopher Knights.
Thelonious is Farquaad's assistant and brief wannabe successor.
Thelonius is a ten year old student at West Springfield Elementary School. Lisa first bumps into Thelonius, after realizing that Mr. Teeny drove her to the wrong school. After a brief chat, Lisa quickly falls in love with him. The two spend time outside, spinning around in circles while holding hands with each other and Linguo. However, Lisa realizes that she is still late for class and has to get going. Thelonius tells that she can’t sacrifice grades for romance and that they will meet again in high school.
Thelonious was a monk who was put in charge of the second stage of the Sonic Underground's training. He is an anthropomorphic dog in orange robes.
In Shrek, Thelonious has intelligence he is first seen when Farquaad wants to choose a princess he wants him to pick number 3 which he had two fingers and later at Fiona's wedding