A picture of David Peterson in a psychedelic frame.

David J. Peterson

Creator of Dothraki, High Valyrian, Trigedasleng, and more!

David J. Peterson is a conlanger and author. He's been creating languages since 2000, and creating languages professionally since 2009. He's worked as a conlanger on TV shows such as HBO's Game of Thrones, the CW's The 100, Syfy's Defiance, and Netflix's The Witcher. He's also created conlangs for films such as Legendary's Dune, Pixar's Elemental, Marvel's Thor: The Dark World, Netflix's Bright, and Disney's Raya and the Last Dragon. He's the author of Penguin's The Art of Language Invention and Odd Dot's Create Your Own Secret Language. He's the co-host of the YouTube series LangTime Studio.

Selected Conlang-Related Works