is the main antagonist of Super Smash Bros. Brawl
. He is the personification of the dimension known as Subspace
- Tabuu will become Jaden, Jeffrey, Hiccup and Juniper Lee's enemy in Jeffrey, Jaden, Hiccup, Juniper Lee & Friends' Storm Adventures of Super Smash Bros. Brawl: The Subspace Emissary.
- He is one of the few beings in the entirety of existence whom Dimentio actually fears.