You're main plays league of legends...
Who do they main?
Who do they main?
Draven mains
Draven!
Nami mains Diana!
Well, at this point I'm not really maining anybody but...
Dr. Mundo mains Vayne botlane for the ( see below ) Heartseeker skin, himself toplane/jungle so he can experiment ( with item builds ( see lore ) on himself and dodges any game involving him being a midlaner or support for anybody not-Heartseeker Vayne because "Mundo go where he pleases."
http://ddragon.leagueoflegends.com/cdn/img/champion/splash/Vayne_4.jpg
mains
because he praises the sun

Lamb mains Udyr, and Wolf mains Warwick.
mains
so that Liss can finally feel like she has taken over her tribe.
Mains
So he can feed. (Just Lore Jokes)
plays 
Mains
"Stalking prey again?" "I am evil, stop laughing!"
Swain mains azir because azir is very mechanically difficult and swain likes difficulty

There can only be one
The meta-reality is real.
would probably be too dumb to try to main herself.
Who is that? She looks exactly like me and even has my name! It's like we're twins or something!
mains
because she misses being able to 1 v 1.
mains
to finally be his friend
would main
to know what it feels resourceless
would main
cause he secretly wishes his rage could heal him
mains
because Gems are truly Outrageous
mains
MORE BEARS <3