Wikia

The Triple Changers are a sub-group of Generation One Transformers who have one robot mode and two alternate modes. Though there are countless Transformers with three modes, only a small number of them have been officially designated as "Triple Changers," beginning with the Triple Changers subgroup proper in 1986 and continuing with specific individuals thus marked in the years following.

Japanese name (Autobots): Triplebot

Japanese name (Decepticons): Tripletron

Hungarian name: Triplaváltozók