These characters have been voiced by Hank Azaria:
Apu Nahasapeemapetilon
Moe Szyslak
Cheif Clancy Wiggum
Comic Book Guy
Lou
Carl
Dr. Nick Riviera
Snake (Jailbird)
Kirk Van Houten
Captain McCallister (Sea Captain)
Bumblebee Man
Superintendent Chalmers
Professor John Frink
Cletus Del Roy
Legs
Akira
Drederick Tatum
Doug
Old Jewish Man
Gunter
Luigi
Pyro (a.k.a. Chase)
Bob Arnold (8F01)
Fritz (8F09)
Vet (8F17)
House of Evil Shopkeeper (9F04)
Gabbo (9F19)
Doug (1F02)
Dean Bobby Peterson (1F02)
Brad Goodman (1F05)
G.I. Joe (1F12)
Knightboat (2F10)
Don Vittorio (2F12)
Bruno Drundridge (2F13)
Pet Store Man (2F18) Jericho (2F21)
Shelbyville Milhouse (2F22)
Iggy Wiggum (3F19)
Ox (3F19)
Rick (3F22)
Jimbo's Father (4F03)
Dr. Forster (4F03)
Ranger (4F10)
Hippie (4F17)
Frank Grimes (4F19)
Duffman (4F22)
Khlav Kalash Vendor (4F22)
Fly-Headed Bart (5F02)
Gun Clerk (5F01)
Eddie Muntz (5F03)
Cornelius Talmadge (5F04)
PR Man (5F05)
Johnny D (5F06)
Nick Callahan (5F06)
Cliff (5F07)
Ad Exec (5F07)
Robbie the Automation (5F13)
Asian Ensign (3G04)
Agent Miller (5F14)
Animal Assistants Clerk (5F15)
Head Chocobot (5F15)
Sherpa (5F16)
Larry the Bus Driver (5F17)
Farmer (5F18)
"Real" Comptroller Atkins (AABF03)
Big Tom (AABF05)
Detective Homer Simpson (AABF09)
Trent Steel (AABF09)
Stan (AABF10)
Red Carson (AABF13)
Doug Vaccaro (AABF15)
Gunter (Eurotrash) (AABF15)
Arhur Fortune (AABF17)
Chuck Gatabedian (AABF20)