Fourth member of the team horror movie cars from diferent movies,

Agent Karr, is the complete opposite of his brother Agent Knight (K.I.T.T), he does not show any type of emotion other than anger and reason, being the most professional on the team, always keeping his focus on the mission. The only thing that could distract him is destruction of his brother and allies.

They work to someone above megatron , beside they still decepticons, all of them recruit during the war on Cybertron and Earth.
He transform into a a Pontiac Trans-am 1982 and can combine to the left arm of the combiner form of his team, mergin into the RoadMonster.