I have a Captain Underpants plushie that looks almost exactly like the 1997 one. : r/CaptainUnderpants

Captain Underpants - Principal Krupp - Dav Pilkey - Profile

MerryMakers Captain Underpants Soft Superhero Toy, 10

The Adventures of Ook and Gluk, Kung-Fu Cavemen from the Future

Handmade Captain Underpants Plush Doll by Saint-Angel on DeviantArt

Lot of 8 Adventures of Captain Underpants PB & HC Books EPIC NOVEL

I Just got this Captain Underpants Plush! : r/CaptainUnderpants

List of Captain Underpants merchandise

Development: Detective Pikachu 2, Queen Mary, Captain Underpants

Captain Underpants Plush Doll & Book – MerryMakers, Inc.

Capt Underpants 10 Doll