Mihael Kheel (a.k.a Mello) is from the manga Death Note and even if he seems just like a hot headed blond who loves explosions ( see > deidara ) he is actually a very complex and interesting character
He usually wear skin
tight leather and has the habit to eat
chocolate bars (habit taken by Near after his
death)
He left the Wammy's house at 14y/o and entered the Mafia 2 years after by bringing (either litterally or not) the adverse's
mob head
He also wrote the L.A.B.B murder case and seemed to have a bit of admiration for Beyond Birthday, he actually even went as far as becoming a burn victim as well