|Appearance||White male human|
|Debut||The Secret Life of Pets|
He wears a blue hat with a red "DOG" sign on it, a pair of round glasses, a red leather vest and a blue shirt in the film. His hair is brown.
The next morning after Duke was adopted by Katie, Germo brings twelve dogs out for a walk, including Max, Duke, Mel, Buddy, and Peppi. At the dog park, he meets a young woman and talks with her, not awaring that he forgets to unleash Max. When he is about to go home, he doesn't notice that two dogs, Max and Duke, are gone.
Later, he goes home and sleeps on the sofa in his apartment. Pops leads the pets and they reach his balcony; his pet lizard opens the door for them. All pets takes away all the food on the table in their path, even when Chloe steps on his crotch, he is still asleep, but he moans.guillermo/Gallery
- "Two, four, six, eight, ... Mmm. "
—Counting the dogs he brought out
|Buddy • Chloe • Duke • Gidget • Max • Mel • Norman • Pops • Sweet Pea • Tiberius|
|The Flushed Pets|
|Derick • Dragon • Nitro • Ozone • Password Snakes • Ricky † • Ripper • Snowball • Tattoo • The Alley Cats • The Sea-Monkeys • Viper †|
|Dummy • Gino • Guillermo's Iguana • Leonard • Marilyn's Cat • Myron • Peanut • Pepe • Reginald • Runty • Shelly • The Boston Terrier • The Collie • The Golden Retriever • The Papillon|
|Fernando • Maria • The Piranha • The Sausages (Frank • Timmy) • The Squirrels • The Pigeons • Unnamed Chihuahua|
|Animal Control (Fourrage • Menard) • Buddy's Owners • Chloe's Owner • Fred † • Harold • Gidget's Owners • Gino's Owners • Guillermo • Guillermo's Girlfriend • Katie • Katie's Grandma • Leonard's Owner • Marilyn • Mel's Owner • Molly • Norman's Owner • Pepe's Owner • Reginald's Owners • Steve Cabin • Sweet Pea's Owner • Tiberius' Owner|