Didnt he murder a bunch of minions or something once?
Sure, but killing the big bad's minions is hardly villainous.
The heroes do it all the time.
"If it lives it can be killed.
If it is dead it can be eaten."
Ronkong Coma "the way of the bookhunter" III Catacombium
(Walter Moers "Die Stadt der träumenden Bücher")