Lockjaw is a character in American comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby, the character first appeared in Fantastic Four #45. He is an Inhuman giant bulldog whose abilities include teleportation. He serves the Inhuman Royal Family as their escort and a loyal protector.

The Inhumans are a superhuman race of super beings appearing in American comic books published by Marvel Comics. The comic book series has usually focused more specifically on the adventures of the Inhuman Royal Family, and many people associate the name "Inhumans" with this particular team of superpowered characters.