Homer
Homer Simpsons's jobs according to season 13 episode 22 “Poppa's got a brand new badge.”
Boxer
Mascot
Astronaut
Imitation Crusty
Baby-proffer
Trucker
Hippy
Snowplow driver
Food Critic
Conceptual Artist
Grease Salesman
Carny
Mayor
Grifter
Bodyguard for the mayor
Country and Western Manager
Garbage Commissioner
Mountain Climber
Farmer
Inventor
Smithers (Impersonator I suppose)
Poochy
Celebrity Assistant.
Power Plant Worker
Fortune-cookie Writer
Beer Baron
Quickie-Mart Clerk
Homophobe (not an occupation)
Missionary
And in this episode we add Private Police Officer and cammercial producer. Wait a minute. Homer made a cammercial in that snow plow show.