It looks like this is what's all the rage with the kids nowadays, so I figured, "Why not?"
First row: Spider-Man, Samus Aran, Luigi, Captain Falcon, Ken Masters
Second Row: Mega Man X, Bayonetta, Venom, Faust, Optimus Prime
Third row: Superman, Megatron, D.Va, Reptile
Fourth row: Godzilla, Catwoman, Whip, Devilman, Charizard
Fifth row: Callie, Metal Sonic, Ultraman, Popuko & Pipimi, Eva-01