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Bobopatch
Bobopatch is the fusion between Bobobo and Don Patch.
The first appearance of Bobopatch is in the fight against Tokoro.
His weapon is a powerful spring onion.
Bobopatchnosuke
He is the fusion between Bobobo, Don Patch and Tokoro Tennosuke.
This character can send the enemy in a strange dimension where the time no pass.
In this case, the fusion length is one minute.
Denbochan
Denbochan is the fusion between Bobobo and Dengakuman.
Her fighting style is Kung-fu, and fights with a nunchakus, a microphone and her noisy hair. She can become mad their enemies when she sings.
Length of this fusion: six hours.
Pachibobo
Another fusion between Don Patch and Bobobo.
In this case, it's more powerful than Bobopatch. He looks similar to the Dragon Ball's fusion between Vegeta (Bejiita) and Gokuh (Kakarotto).