Erica

Erica was a girl who liked My Little Pony. She did not consider herself a nerd.

My Little Pony x Stranger Things
Dustin Henderson called her a nerd for liking My Little Pony since it contained Castles, Dragons and Centaurs, which were all "nerd tropes" in his eyes. It was unclear if she cared for being called a nerd or not.

Behind the scenes
Erica is a character on . Her full name is Erica Sinclair and she was the little sister of Lucas Sinclair, one of the shows main characters and good friend of Dustin.