- Jawhead appearence resemble "Baby Head", also known as Hover, from Captain Commando.
- Jawhead, Alpha, Saber, Angela and Johnson are only the heroes that are mechanicals.
- Among them, only Jawhead and Angela are fully mechanical.
- Jawhead is the only hero to have 2 voice actors: one for Ellie and one for Jawhead.
- Jawhead is one of the only heroes who has a rider (Irithel and Leomord are the others). Unlike Irithel, Ellie prefers to watch over Jawhead's body rather than to help him.
- While still in development Jawhead's first given name and hero title was Mecha Warrior, Prototype One.