Mufasa

Mufasa is Simbas father who was king of the Pride Lands. Mufasa taught Simba how past kings lived in the stars.

Death
Mufasa came to save Simba from being crushed by a stampede. Although he saved Simba, he had to climb a cliff to exit the gorge. When he gets to the top, he is tossed off the cliff by Scar. He then falls off the cliff and is crushed by the stampede.

Kingdom Hearts II
Mufasa appears in the beginning of the Pride Lands in Kingdom Hearts II. This is during Simba's dream sequence. Later, he appears to Simba as a spirit. He then enlights Simba's courage.