Spike is an evil mirrorverse version of the original Generation 1 character.

This Dirge is a homage to the Generation 1 character.

Sandstorm is a mirror-universe duplicate of the Generation 1 character.

This Grimlock is an evil version of the Generation 1 character.

Camshaft is a mirror universe duplicate of the Generation 1 character.

The designs were significantly different from those of the Generation 1 characters with the same names.

Warpath is a homage to the Generation 1 character.

The first version is an homage to the Generation 1 character.

Cyclonus is a saboteur and an homage to the Generation 1 character.

He is a homage to the Generation 1 character of the same name, even having the same voice actor.