"I SPY" meets "Where's Waldo" in Lego

I've done a few of these but this time wanted to do one with just minifigures and the four basic colors of blue, red, yellow, and green. Have fun spying! As a bonus, can you find the four monochrome minifigures? Edit: I should clarify that by monochrome I mean just head, torso, and legs with no printing :) Edit 2: There’s no hidden Waldo. I meant “meets Where’s Waldo“ in a stylistic sense because in those books, the pages are filled with people with different outfits doing different things. ...