Why does Pinkie Pie have a strong relationship with Rainbow Dash? - Sugarcube Corner - MLP Forums

I always wondered why Pinkie Pie and Rainbow Dash have such a strong friendship?

Pinkie Pie As A Pokemon! (MLP x Pokemon)

Equestria Daily - MLP Stuff!: 50+ Awesome Fanfics to Read for Pinkie Pie Day!

My Little Pony: Pony Life Season 1 - Trakt

Rainbow Dash – Laura's Ambitious Writing

Pinkie Pie (G4), Heroes and Villains Wiki

Pinkie Pie (O&C), My Little Pony: Friendship Is Magic - Rakoon1's universe Wikia

MLP Redesigns - Pinkie Pie by just-evs on DeviantArt

Ask any Question and I'll answer it like Pinkie Pie : r/mylittlepony

Story: pinkie pies problem( part 5) Equestria Unofficial Fan Club Amino