It is Psy!

Some green guy with three arms fighting a blue goo monster with lightsabers.

Marshmellowman eating meat! OMNOMNOM

A Pikachu teaming up with Obama VS Doctor Who teaming up with Pikmin! What an epic battle!

A female giving a male a bloodnose.

A confused green Piplup mixed with a frog.

Two carrots fighting a broccoli. Or are they dancing?

Happy face in the darkness