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)

Tell me about your MLP OC! : r/mylittlepony

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NEW, Sugarcube Corner

Pinkie Pie Fan Club - Page 130 - Fan Clubs - MLP Forums

Pinkie Parable [Found on /mlp/] : r/mylittlepony

NG): Pinkie Pie and Rarity by Teal-Quil on DeviantArt

Pinkie Pie (G4), Heroes and Villains Wiki

Equestria Daily - MLP Stuff!: Pinkie Confirmed for Living at Sugar Cube Corner

22942 - dead source, safe, artist:volmise, pinkie pie, rainbow dash, earth pony, pegasus, pony, g4, candle, fanfic, female, lesbian, mare, night, prone, reading, ship:pinkiedash, shipping, smiling, sugarcube corner, tea - Derpibooru