Zurg

Zurg is a fictional character created for the movie Toy Story and is the enemy of Buzz Lightyear. 
Role in Toy Story.
Buzz Lightyear is a toy but thinks he’s a real superhero trying to stop an evil emperor named Zurg from destroying the Galactic Alliance. Buzz says that Zurg wants to create a weapon that can destroy an entire planet.
Role in Toy Story 2.
In Toy Story 2, Zurg is played by Andrew Stanton. Zurg is introduced in a Buzz Lightyear video game where Zurg kills Buzz but it turns out is only a video game. Later on, a toy Zurg believes he’s actually an evil emperor and fights Buzz Lightyear. When Buzz says he won’t give up because Zurg killed Buzz’s father, Zurg says he is Buzz’s father. After Zurg falls out of an elevator and gets amnesia, then Zurg remembers he’s Buzz’s father and plays catch with him.
Role in Buzz Lightyear of Star Command: The Adventure Begins.
In the movie , Zurg pays Buzz’s friend Warp Darkmatter to become a supervillain called Agent Z, invades a planet, steals something called the Unimind and turns it into a mind control weapon that he uses to enslave every planet in the Universe but Buzz Lightyear beats Zurg and Zurg runs away. Zurg is played by Wayne Knight. 
Role in Buzz Lightyear of Star Command.
Zurg is the main villain of Buzz Lightyear of Star Command and is in most episodes. The episode Stranger Invasion reveals that Zurg was lying when he said he was Buzz’s father.
Role in Toy Story 3.
Zurg has a cameo appearance in Toy Story 3.
Role in Lightyear.
In the movie Lightyear, Zurg is played by James Brolin. Zurg turns to be an evil version of Buzz Lightyear who came from the future using time travel.