A Michael-Richards
A famous guy from the 90s who played a weird guy on TV, then went full f***-face on stage and called people names like a madman.
He was famous for being weird on TV, but then he went f***-crazy at a club.
He was a star on TV, but then he turned into a raving lunatic.
He was a beloved character on TV, but then he turned into a f***-headed mess.