Denko is a gluttonous dimetrodon and the best friend of Toby.
He plays ??? in Riley Tugboat
He is a ???.
- Keith Silverstein - English
- Kenta Miyake - Japanese
- Santiago Segura - European Spanish
- Víctor Trujillo - Latin Spanish
- Laurent Chauvet - European French
- Sébastien Dhavernas - Canadian French
- Reinhard Brock - German
- Carlo Boszhard - Dutch
- Adalberto Maria Merli - Italian
- Peter Michael - European Portuguese
- Alfredo Rollo Brazilian Portuguese
- Christian Fex - Swedish
- ??? - Polish
- In Riley's Adventures (DinosaurKingRockz Style) he is played by Duke.
- In Riley's Adventures (LooneyNelvanaTunesRockz Style) he is played by Brave Heart Lion.
- In Riley's Adventures (461Movies Style) he is played by Pumbaa.
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