Steeljaw loves the feel of the wind whipping across his sensors as Leadfoot screams around a track. The cyber-dog is ill-tempered, rickety, and occasionally emits noxious fumes or sparks bad enough to set his surroundings on fire, but Leadfoot doesn't mind. Even the humans Leadfoot works with have learned to appreciate having a mean robot dog with a powerful bite around.
Steeljaw is the Ulimate Tracker. When the Wreckers need to locate a Decepticon, creature, person or object, they turn to Steeljaw's advanced senses.
- Leadfoot with Sergeant Detour & Steeljaw (Human Alliance, 2011)
- Steeljaw comes as an extra with this Human Alliance figure. Steeljaw was originally designed to turn into Leadfoot's engine, but this didn't work because they couldn't give Steeljaw a missile launcher gimmick if he was that small. As such, Steeljaw can also turn into a cannon, that can either be mounted on Leadfoot's shoulder or on his arm. Steeljaw also comes with a lead which allow Leadfoot walk him. Because of the lead, an improvised "Mace" form can be made.