HomeCharactersSirenSirenセイレーン «Sirenoid» Is Siren kawaii?Kawaii 💖Not kawaiiBe the first to vote.Kawaii ranking → Voiced byJPFuyuka OnoENJulie LemieuxSynopsisSiren is a mermaid-like Bakugan that soothes souls with her magical lyre. She is the Guardian Bakugan of Klaus Von Hertzon. (Source: Bakugan Wiki)Anime appearancesBakugan Battle Brawlers: New VestroiaSupporting · 2010Bakugan Battle BrawlersSupporting · 2007
