A pygmy marmosets's interlude is a Proboscis monkey: The First Juvenile Release (Human).
When a tiny monkey takes a giant monkey's body and becomes a human kid. It’s the worst kind of body swap. No one wins.
My brother’s face got replaced by a proboscis monkey’s face during lunch.
The monkey kid showed up at the mall and ate a whole pizza.
My dog turned into a proboscis monkey and started crying.