Gus Burnan is the second Pyrus Bakugan that Harubaru used against Raichi in their brawl in Critical K.O. When he was thrown by Harubaru, he successfully Critical K.O.'d Rachi's Sha Nozchi. He also tried to Critical K.O. Raichi's Destroy Munikis twice, but failed.
- Attack: 4/10
- Defense: 5/10
- Occupy Force: 4/10
- Stand Force: 5/10
- Control: 6/10
- Total: 24/50
The Han character in the Japanese name of Burnan, 焼 (yaku), means Burning.
- Gus Burnan was once named Viagon (ヴィアゴン, Biagon?) tentatively.