yeah, the big ears make him look a bit monkey-like (which add cuteness, imho), but he's clearly wearing a helmet here, and imho, has some foreign affiliation with both Bomberman and Megaman, which perfectly fit the "shoot and run" look of the game. Good job at how you make him look so determined compared e.g. to Quote in Cave Story (which is a bit too unexpressive to my tastes). I'm looking forward to see him jump, run and hook on the ceiling to swing above dangerous areas

Initially, i thought the ninja-webcam thing was the character and that the battery-thing was an opponent. I guess you could keep both of them as opponents without any problem.
Also, i cannot exactly decide whether the green things that grow out of the ground are crystals or vegetal lifeform (well, it could be a crystal-vegetal lifeform too