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Katal (カタル, Kataru) was a member of Foundation X who transformed into Suddendath (サドンダス, Sadondasu).
History[]
Katal was a member of Foundation X who worked directly under Lem Kannagi. At some point, he gained Mutamit powers and fought Kamen Rider Fourze before meeting his end with Fourze's Tailspin Crusher.
Video Game appearances[]
Kamen Rider Break Joker[]

Suddendath Break Joker card
Suddendath appears as a playable character with other Riders and monsters in Kamen Rider Break Joker.
Statics[]

Suddendath
Powers and Abilities[]
- Mutamit Physiology: As a result of his mutation, Katal was able to transform into a dragon-like monster.
- Atomic Breath: Katal was able to fire a breath weapon of bright blue energy at his enemies.
Behind the Scenes[]
Concept Art[]

Suddendath concept art
Suddendath was designed by Kia Asamiya (麻宮 騎亜, Asamiya Ki'a).
Notes[]
- Katal's Mutamit form Suddendath is based on the design of Suddendass of the Skyrider movie, Eight Riders vs. GingaOh.
- The Fourze Hyper Battle DVD featured a upgraded version, named Suddendath Beta since he was defeated by Fourze Rocketstates, as the main antagonist.
Appearances[]
Kamen Rider Fourze
Kamen Rider × Kamen Rider Fourze & OOO: Movie War Mega Max
- Kamen Rider Fourze Hyper Battle DVD: Rocket Drill States of Friendship(flashback; archive footage mentioned & as Suddendath only)
Heisei Rider vs. Showa Rider: Kamen Rider Taisen feat. Super Sentai