A character from Dandy's World?

(Yep.)

Arisa Ichigaya and others inside some music store.

A Panda/Bear

Menace to society staring right at me holding a cup of hot chocolate and a muffin

Definitely the former.

My brian rttoted

Trollface makeup.

Pinpon characters doing the floss

Brooklyn T. Guy looking at something on the laptop.

STOP :)