how do i make enimes

i need to know everything about how to make enimes in my game called rumble.

Do you want enemies like goombas in mario?

You need to give us a link to your game so that we can address the problem.

Or rather, what you want to do, better.
thats the link to my game the 2 enimies are the blocks that don’t move that have faces i need to give them health and i need them to fight thanks for the help!!