
Unofficial title
The subject of this article was not given a name in any official media from The Secret Life of Pets franchise. As such, "Guillermo's iguana" is purely conjectural.

“Oh, fun fact: he trashed my apartment!”
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Guillermo's iguana is a blue lizard that appears in The Secret Life of Pets.
Plot[]
Pops agrees to help find Max, so he moves by various ways, including a big flock of pigeons. He and the other pets arrive in the balcony of Guillermo's Apartment, and Pops knocks the ceiling window; the iguana opens the window with its long tongue, so the pets enter the apartment easily and all the food on the table of the owner, is gone.