Separate names with a comma.
OH GOD. The final boss should be Jesus, and when you defeat him, you rip out his guts and play a christmas tune on them, bagpipe-style. Genius,...
If anything, you should elongate the name: Super Santa: 8 Bits of Blood :D
Personally I take no offence, no matter how bloody or violent a game is. If you want to make a bloody game involving Santa, go for it :)