multiplal main charchters in my game

how do u make it where u can choose ur charachter in a game that u made that features moore than 1 main charachter
for example my game(nintendo mash demo) has pikachu but i also want to makwe mega man and link playble in it

Here’s an example. Sorry for the lack of the artwork. Feel free to copy the behaviors of each object in the game.

http://flowlab.io/game/view/77016