Mabel sweaters

The file and the description are huge |:[
^{crappy sweater titles are crappy}
Anyway, this is my way of demonstrating the Mabel sweater template I made. These are all original sweater designs. Free to use if you credit me.
^{It's not even all of them...}

Descriptions: (If they don't have one that means there isn't one)

Kupkake:
fan episode: Mirra Mirra On The Wall
backstory: ?

SW33T HART:
fan episode: A Dipper In The Hand
backstory: given to Mabel as a gift from Mirra

Giraphics:
fan episode: ?
backstory: (bought at SF zoo?) ?
Inspiration: Giraphics

Phabel:
fan episode: Phantom of The Art Room
backstory: given to Mabel as a gift from Mirra
inspiration: Black Phoebe

Constellar [void]: Void due to similarity to canon sweater

Oak:
fan episode: Mirracle Cure

Arts&crafts:
fan episode: Phantom of The Art Room

THIS GETS INTERACTIVE NOW!

challenges:
1.look at the background. How many Bills can you find?

2. a. Constellar is in several of my Deviations. Can you recognise and find it?

    b. What episode is the lookalike to Constellar in?

3. What is the sweater "Sweather" a reference to?