I may have more Captain Underpants stuff since forever:

I mean, to be honest he isn't lying.

I am crying, TEARS ARE STREAMING AS WE SPEAK.

(If you don't know, Harold's father left when he was little so he grew up with no male figure in his life.)

A lot of people like the idea of these interacting with each other and so do I!

Here are some basic things to know about CU:
Harold is gay (Book 12)
Captain Underpants is Mr.Krupp
George hypnotized his Principal with a ring that he got from a cereal box
...To be honest, I forgot a lot of things.

Once, I get all 12 books, I'll fill you in. Just watch the movie and TV series and you'll be good. Both are available on Netflix.