Ryan Gosling's "Project Hail Mary" costar is a high-maintenance creature with his own "glam squad." The actor introduces us to Rocky, a lovable alien.

Don't let these films creep up on you.

While many actors have taken on leading roles in the Alien and Predator franchises over the years, the most iconic stars of these stories are still Sigourney Weaver and Arnold Schwarzenegger. Weaver ...