They don't really. That is Adam West voicing him.
light brite
Connecticut
Season 9|Episode 15 Brothers & Sisters
yes he is he had sex with mayor Adam west off family guy
Carol. She is currently married to Mayor Adam West (as of March 2012)
He played himself in a live action segment with Adam West.
youre f***** wrong its adam west, AKA cat man, batman, MAYOR OF FAMILY GUY
Adam West is an actor perhaps best known for his role as Batman from the same named campy TV series & in modern TV, best known for voicing Mayor Adam West on the TV show, Family Guy
Mayor West says that in the episode titled "PTV" from Season 4
Adam West is best known for his role as Batman both on the ABC TV series and in film. He is also regularly parodied on the animated TV show "Family Guy".
Season 3|Episode 17 Brian Wallows and Peter's Swallows
There's never been a stated age, but presumably he's in his 50s or 60s.