Steeljaw

Steeljaw was one of the Autobot cassettes, whose robot form is a mechanical lion. Steeljaw is known for his tracking skills.

U.S. Animated

Steeljaw was not active until around 2005.

Marvel U.S.

Steeljaw was ultimately destroyed by a Cobra-rebuilt Megatron.

Marvel U.K.

Steeljaw was apparently rebuilt, as he was in the Autobot army during the Quintesson attack on Autobot City.