This is Wags, he has 3 forms. Candy Corn form, Cotton Candy form and Slushy form.
-- Explaining game-like reactions --
fat
give him to eat a unhealthy food to make him transformed his muscles into fat!
It makes it harder to move, makes his jumps lower, but the impact of a fall can destroy things!
To get back to normal, ask him to exercise or give him healthy food to lose weight.

Blueberry(inflation)
give him the Permablueberry to turn him a blueberry. (blueberry form)