Here my list...

VS style chars
1- Earthworm Jim
2- Penguin (Batman antagonist)
3- Belmont family (Castlevania)
4- Bionic Commando
5- Robocop
6- Tremmors (movie giant earthworm monster)
7- Boba Fett and more chars from StarWars
8- Dr Doom with Infinity Gaunlet
9- Odin (Asgard)
10- Contra bosses