MTV had a show titled “Celebrity Deathmatch” that was on TV for 6 seasons. The show started back in 1998.
Each episode would show a series of celebrities in stop-motion claymated animation fighting to the death. The show was rebooted back in 2006, but only last for 2 seasons.
Check out this celebrity deathmatch between Mariah Carey and Jim Jim Carrey via YouTube.