The characters are:
Barney the Dinosaur
Stella (Helluva Boss)
Hank Huckerdoo (SML)
Rube Goldfish (modern SpongeBob and its spinoffs)
Blood-And-Honey Pooh
Norm (Norm of the North)
Faye Valentine (live-action version only; Cowboy Bebop 2022; I obviously prefer the anime)
Scrappy-Doo (Scooby Doo!)
The Problem Solverz
Principal Steinbeck (SML)
Tung Tung Sahur
Rumi (KPDH; and yes I hate KPDH)
Adam (Hazbin Hotel)
If you disagree with me in any way, I’ll try to tolerate your opinion.
Caption this Meme