|Age||Unknown; likely 40-45|
|Religion||Unknown; likely Roman Catholic|
|Voiced by||Trey Parker|
|First Appearance||The Succubus|
Mr. Derp first appeared in The Succubus. He was a temporary replacement for Chef when he left due to his impending marriage. Chef later took his job back, however, due to Chef's death in The Return of Chef, Mr. Derp may have resumed his duty as South Park Elementary's chef.