He will appear around mid-game and will usually mess up in stuff and you gotta try to help him but in the final boss (if I add one), he'll do something right for once and that's how you defeat the boss.
I added a 666 easter egg to the Little Ol' Whacker 1 Remake. If you have 666 dollars the money count will be red until you get another coin and there will be a disturbing sound repeating over and over until you have 667 or more coins.