The title explains it all a Pokemon versus a random thing who would win the next poster decides that:

Examples
Player 1: Pikachu VS Palamon

Player 2: Pikachu will win

Player 3: Charmander VS Kacheek

Player 4: tie........

Player 5: Squirtle VS Mametchi

ect..

Okay i'll start us off

Breloom VS Cartoon Black Devil Girl