My villain name would be Depression Man and I radiate low self esteem.
The black criminal??? wat
Captain Wizard. I sound like the protagonist of a kids' cartoon show. :c
I am seriously disappointed these aren't all simply "Teemo"
The Invisible Tarantula...Elise??
The Crazy Corpse.
Bloodborne, anyone??? eh? eh?
The Black Child lmao
Captain clown... fuck...
The Dangerous Robot.
Beep-Boop-I-Am-Blitzcrank.
The Brutal Ninja
.lolwat.
The Dangerous Lord.
The Crazy Lord. This name isn't all that interesting.
Captain Devil... So I'm a teemo main then... kills self
The Dangerous Devil.
/
Professor Tarantula. Good thing too since I'm studying to be an entomologist.
The Dark Creature = 
The Evil Knight ... Hm, sadly there isn't a knight who is evil as a champion. Maybe Hecarim. XD
The evil criminal...
Apparently not all criminals are evil.
Captain Master... I'm the captain of masters? Wut.
THE VILE TARANTULA XD
The Grand Creature
The brutal robot.... full AP nunu bot or full AP sad robot amumu
Maybe even one of the mechanism skins for malphite, kha zix, or aatrox.
Ps. I hate auto correct on my phone
The Dark Knight...
Knew it.
The Bloody Criminal ......
Doctor Master...
Doctor Kennen Triggered
The Brutal Devil. Coincidence that I play Teemo? Probably not
The Brutal Wizard... I like it.
The Brutal Werewolf
The Dark Creature...
?
The Poison Werewolf? So
with Gromp buff?
The Crazy Werewolf, lame
the mad lord k sounds cool
The Mad Monster
Professor Shadow
The Dark Robot? But I wanna the Doctor Wizard!
The Dark Creature...
The Evil Werewolf? Really? Man, I got a lame ass name. No wonder I prefer being the hero.