Oswald is the illustrator of all books in
Jory John's
The Food Group series, including
The Bad Seed,
The Good Egg,
The Cool Bean,
The Couch Potato,
The Smart Cookie,
The Sour Grape, and
The Big Cheese.
The Bad Seed was described by
The New York Times as "kid-book humor at its best, both warmhearted and frisky — the kind that leaves adults, too, cracking up and grateful." The bestselling duo also created
That’s What Dinosaurs Do together. Oswald's authorial debut,
Hike, was shortlisted for the CILIP Kate Greenaway Medal. He released his next book
The Noise Inside Boys:
A Story About Big Feelings in 2023, inspired by his own experiences raising his three sons. Oswald also co-created the children's book
Mingo the Flamingo. Oswald has served in production design and the art department on multiple animated family studio films and television shows. He is best known for his work on the 2016 film
The Angry Birds Movie, for which he transformed the characters, lighting, and set design from the popular mobile game into an animated feature film series over the course of four years. He was noted for his work on
The Angry Birds Movie in
Vice's ''
The Creator's Project'', which stated: "Pete Oswald's fingerprints are all over the cutting edge of animated feature films, marked by a bright, colorful, slightly angular style." In 2016, he appeared at
Comic-Con in
San Diego, California. In 2019, Oswald returned to the franchise as production designer on
The Angry Birds Movie 2. He also served as production designer on 2024's
The Garfield Movie. Oswald spent over four years on the project, taking inspiration from Jim Davis'
Garfield comic strips of the 1980s in creating new CG versions of Davis' iconic characters. Oswald served as a visual artist on the popular animated films
Madagascar: Escape 2 Africa,
Cloudy with a Chance of Meatballs, Cloudy with a Chance of Meatballs 2,
ParaNorman,
Hotel Transylvania, and
The Lego Ninjago Movie. He also paints with
acrylics, in addition to his
animation and
illustration work, and debuted his painting series
Pacific Abstract, inspired by the
California coast, at a pop-up art gallery show at
Bergamot Station in
Santa Monica, California, in 2016. == Filmography ==