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?

My Little Pony: Friendship Is Magic Ponyville Confidential (TV Episode 2012) - IMDb

Pinkie Pie 0rigins: A Family Recipe - Fimfiction

My Little Pony: Pony Life Season 1 - Trakt

Has anybody figured out if Pinkie Pie is adopted or not? - Quora

Pinkieshy/Flutterpie fanclub - Fan Clubs - MLP Forums

Why do people think rainbowdash has a crush on pinkie pie? - MLP:FiM Canon Discussion - MLP Forums

Tell me about your MLP OC! : r/mylittlepony

MLP Redesigns - Pinkie Pie by just-evs on DeviantArt

G4 Pinkie Pie - My Little Wiki

My Little Pony: Friendship Is Magic S3 E3 Too Many Pinkie Pies / Recap - TV Tropes

Favorite Color Swapped Ponies? - Sugarcube Corner - MLP Forums

PinkieDash Fan Club - Fan Clubs - MLP Forums

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

Pinkie Pie Fan Club - Page 173 - Fan Clubs - MLP Forums

Pinkie Pie, My Little Pony Friendship is Magic Wiki