Mr. Garrison (born 26th September 1969) is a character in South Park, he is voiced by Trey Parker and is the teacher of Cartman, Kyle, Stan and Kenny, he has a puppet named Mr Hat
Mr Garrison

Mr Garrison with Mr Hat

Mr Garrison is one of the most popular characters and the third character to kill Kenny after shooting him when trying to kill Kathy Lee Gifford in Weight Gain 4000