All about Bolivar Trask (Wikipedia)

Bolivar Trask is a fictional character appearing in publications by Marvel Comics. He is a military scientist who is well known as the creator of the Sentinels. His appearance is modeled on that of Walt Disney. He is also the father of Larry Trask. Bolivar Trask was an anthropologist who saw the rise of mutants as a threat to humanity. Bolivar decides that humanity has to fight back against the mutants and develops robotic guardians for humanity, known as the Sentinels. His son Larry was protected from the Sentinels' ability to detect mutants due to the medallion Bolivar had given him. To stop the Sentinels, Xavier summons his X-Men. The X-Men fight the Sentinels, but Beast is captured. To reveal the X-Men's secrets, the Sentinels tell Trask to use a device to read Beast's mind. Trask discovers that the X-Men were mutants protecting humanity and realizes that he had been wrong. He helps the X-Men defeat the Sentinels by sacrificing himself to destroy the Sentinel's base.^[3]

• Bill Duke portrays a man named Trask in X-Men: The Last Stand. Here, he is the head of the Department of Homeland Security. While a holographic Sentinel does appear in the film as part of a Danger Room session, Trask has no (presumed) connection to the Sentinels.

Peter Dinklage will portray Bolivar Trask as the main antagonist in the upcoming X-Men: Days of Future Past.^[13]