Joonathan Kettunen is a Finnish voice actor, singer-songwriter and recording engineer who provides voices for the Finnish dub of Thomas & Friends. He has also sang several songs the series.
Other Finnish dubbing credits include "Special Agent Oso", "DuckTales" (2013), "Kung Fu Panda", "Sonic Boom", "Fanboy and Chum Chum", Steven in "Steven Universe", and many more.
- Working Together Again
- Searching Everywhere
- It's Gonna be a Great Day
- Monsters Everywhere
- Let's Be Brave
- Our Tale of the Brave
- Both he and Petrus Kähkönen have provided voices in the Finnish dub of "The Secret Life of Pets".
- He, alongside Tim Kreuer (who also voiced Jack) and Jürgen Theuns voiced Fanboy from "Fanboy and Chum Chum" in their respective languages.