<P> The Lion Guard: Return of the Roar reveals that Scar was once the leader of the titular group and, like his great - nephew Kion, once possessed the Roar of the Elders . Scar lost the Roar after using it to destroy the other members of his Lion Guard, as the Roar is meant to be used for good, not evil . </P> <P> In season 2 of The Lion Guard, Kion unknowingly summons Scar back as a fiery spirit in a volcano after using the Roar in anger when Janja the hyena provokes him . Scar then conspires with the animals in the Outlands to take over the Pride Lands and defeat the new Lion Guard and Simba, who were initially unaware that Scar had returned . Later in the season, Kion and the guard find out that Scar has returned while they are in the Outlands getting volcanic ash needed to cure Simba from a scorpion sting . </P> <P> Mufasa (voiced by James Earl Jones in the films and Gary Anthony Williams in The Lion Guard) is Scar's older brother, Sarabi's mate, Simba's father and Kiara and Kion's paternal grandfather who is introduced as the King of the Pride Lands . The name "Mufasa" means "King" in the Manazoto language . In The Lion King, he teaches Simba on what a king is supposed to be . However, Mufasa later dies after being thrown into a wildebeest stampede by Scar while rescuing Simba . He returns years later as a ghostly apparition in the clouds to help an older Simba return to the Pride Lands and remember who he is as King . </P> <P> In The Lion Guard, Mufasa serves as a spirit guide to his grandson Kion . </P>

What is simba's dad's name in the lion king