Mechadon

Another Taiko drum brought to life by the Great Soul, Mechadon is a robotic version of Don and Katsu. Mechadon has plans for world domination but is thwarted by the Piyo Rangers. The Piyo Rangers, whom he unknowingly incubated while they were eggs eventually realize it was Mechdon who had kept them warm until they hatched and make up with Mechadon.

Mechadon Considers Don and Katsu as his rivals. Sometimes ends his sentences with '-mecha'