Someone sneaking into the Fireside Restaurant

Here's a picture I made.

It's nighttime and Thomas & all of his friends are asleep except for one person who is sneaking into the Fireside Restaurant. Who could it be?

I own nothing nor the music.

Fireside Girls logo from Phineas And Ferb (c) Disney Television Animation.

Music from Thomas & Friends (c) Hit Entertainment/Mattel Creactions & Nelvana.

SomeonesneakingFireside