After recently rewatching S1 of Bakugan I thought I'd make a tier list on the canonical strength of each Bakugan in relation to the others. Feel free to let me know if
Bakugan- Alice, Christopher and Klaus vs Rabeeder - YouTube
Shire - Character (102345) - AniDB
Tayghen ball form concept art : r/Bakugan
Rabeeder - Biography by MysteryArt901 on DeviantArt