Stronghold

Stronghold (or Amos Smith, as he reveals his true name to be) is a minor villain who appears in Superhero RP 3. Boasting to have indestructible skin, Stronghold is a member of the Portal Gang who is stationed on Gryn'jott with the job of guarding captured superhumans in Black Hole's base. However, Eilonwy Harrison proves that not all of Stronghold's body is invincible when she spits ice in his eye and hurts it.