Mr. X

Mr. X is a B.O.W. made by Umbrella during the late 90's dispatched to kill everyone in Raccoon City. Expectable, honestly. What was unexpected was for him to join the ring and end up body-slamming everyone with no true goal, even going against Albert Wesker at some points.

He's Gonna Give It To Ya
Sminem worked for a small amount of time on Umbrella Corp. personally creating the Tyrant model T-00 himself. However, after he left, Umbrella wasn't able to replicate his genius genetics, and just made clones of it.

Season 1
During the Sperm Case Wars, Sminem reactivated Mr. X's biological conditioning to be loyal to him, and used him to do his bidding. However, at some point, Mr. X was corrupted by Bogdanbots and became subservient to The Bogs.

Season 2
Sminem, along his Mystery Masters, freed Mr. X from the Bog conditioning, but at the same time Sminem's too, so he gained his own free will.

After the end of Season 2, Mr. X quit wrestling for a while, probably terrorizing other cities.

Episode 3
Mr. X is now back, and in a Tag Team with Mrs. X.

Feats

 * Gave it to us.