Bolivar Trask is a minor but important villain in the Marvel X-Men rogues gallery. The creator of the dangerous Sentinels, Trask is a background player in the Disney vs Marvel Villains War.
Disney Vs Marvel Villains War
Thinking that gargoyles are more dangerous to humanity than mutants, Trask sends his Sentinel robot after Demona. It is destroyed in the fight, leading Trask to sit out the rest of the war.