What's the Kennection? #125

What actor played a character named Jack in the movies Legend and Oblivion, as well as in his newest action franchise?

What billionaire founder of SpaceX has said, "I would like to die on Mars. Just not on impact"?

Who was the mayor of Wasilla, Alaska from 1996 to 2002?

What TV star's arthritis and ulcers led to an early cancellation for The Rockford Files in 1980?

In 2011, who became the first basketball player ever named Germany's "Sports Personality of the Year"?

What's the "Kennection"?