You work at a large pizzeria named Super Mario fazplumber pizzeria that has many animatronic such as:

From the first stage:

Mario fazplumber

Gumball Watterson the cat

Penny Fitzgerald the shape shifting fairy

Hedgehog cove:

Sonic the piratehog

2nd stage:

Tails the fox

Cream the rabbit

Free roam (basically the waiters of the pizzeria):

Princess Peach

Toad

Toadette

Rosalina

Yoshi (one that could be ridden on)

the ones that run around (animatronic/robots the size of plushies):

Cheese the chao

Lumas

3rd stage:

Luigi

Princess Daisy

Buffet room stage:

Wario

Waluigi

Wapeach

horror flame stage:

Bowser

Bowser Jr

Underwater room stage:

Darwin Watterson the fish

Hallucinations (easter eggs):

Gold Mario

Metal Mario

Pink Gold Peach

Pacman