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King Dedede Final Smash SSBU.gif
King Dedede using Dede-Rush in Ultimate.
User King Dedede
Universe Kirby
Article on WiKirby Masked Dedede

Dede-Rush (デデラッシュ, Dederush) is King Dedede's Final Smash in Super Smash Bros. Ultimate.


King Dedede hits in front of him with his hammer about 47 units. The first opponent hit will be flung into a caged ring and hit with a barrage of missiles, before Dedede uses his mask to become Masked Dedede and revs up his hammer and spins towards them, launching them with one final hit, dealing 71.5 damage in total. Anyone else in the vicinity of the initial swing will not be caught, but will still take 8% base damage from the hit.

Instructional quote[edit]

Super Smash Bros. Ultimate Move List KingDededeHeadSSBU.png Dedede slams an opponent into a chain-link cage with his hammer before unleashing missiles. He then transforms into Masked Dedede and launches the opponent. If you miss the first swing, the move doesn't activate.


Masked Dedede appears in Super Smash Bros. Ultimate as an Ace-class primary spirit.

Masked Dedede can be summoned using the cores of Reporter & Wrestler and Hammer Bro.

No. Image Name Type Class Slots Base Power Max Power Base Attack Max Attack Base Defense Max Defense Ability Series
SSBU spirit Masked Dedede.png
Masked Dedede
★★★ 2 2835 8550 1531 4617 1304 3933 No Effect Kirby Series


Artwork of Masked Dedede from Kirby Super Star Ultra.

During the Final Smash, King Dedede dons his mask to become Masked Dedede, his upgraded form from Kirby Super Star Ultra. The caged ring is reminiscent of the arena in which Kirby fights Masked Dedede, and Dedede's New Dedede Hammer is used to fire missiles and perform Hammer Swing, both attacks used during his boss fight. In particular, the missile attack seems to resemble one of his attacks from Kirby's Block Ball.


Names in other languages[edit]

Language Name
Japan Japanese デデラッシュ, Dede Rush
UK English Dede-Rush
France French Déluge Dadidou
Germany German Dedede-Kracher
Spain Spanish Asalto Dedede
Italy Italian Furia Dedede
China Chinese 帝帝帝猛攻
South Korea Korean 디디 러시, Dede Rush
Netherlands Dutch Dedede-knaller
Russia Russian Диди-натиск


  • This is the only Final Smash of King Dedede's to have a clear origin and basis in the Kirby series.
  • In the E3 2018 Direct in which the Final Smash was first revealed, Dedede had his normal blue pupils during the cutscene whereas the final game has them being a glowing yellow color.