As any regular reader of The JLR knows, I’m smitten as a kitten with beastiaries! Enemy profiles are my number one requirement for instruction manuals, and Nintendo Power really hit a home run with their 1990 guide to Super Mario Bros. 3 (pictured below):
Just get a load of Mario’s foes! Studio them well and you’ll do just swell.
Click to enlarge!
subhumanzoids 
Ah, I would’ve been completely enchanted by this as a kid.