They are best known for their work on the television series Ninjago (2011–2019), Trollhunters: Tales of Arcadia (2016–2018), and Star Trek: Prodigy (2021–2024), as well as the feature films Hotel Transylvania (2012), The Lego Movie (2014), The Lego Ninjago Movie (2017), Scary Stories to Tell in the Dark (2019), and The Croods: A New Age (2020).

[4] Kevin appeared as the character "Peter" in the Wee Sing video Grandpa's Magical Toys in 1988, his sole acting credit.

[5] Kevin Hageman began his career as an assistant at Dark Horse Entertainment, while Dan worked as a copywriter.

They were then tapped by del Toro to write the horror film Scary Stories to Tell in the Dark.

In addition to Star Trek: Prodigy, they would continue to produce both animated and live-action film and television content for the studio.