Simba Henn animated the character's first appearance as an adult that occurs near the end of the "Hakuna Matata" musical number. Released in theaters in 1994, "The Lion King" marks Simba's first appearance. All the animals in the Pride Lands gather at the foot of Pride Rock to commemorate the birth of Simba, who will eventually succeed to the throne and take his father Mufasa's place as king. Furious by the fact that he is no longer next in line, Simba's jealous uncle Scar refuses to attend the ceremony. While Simba grows into a rambunctious lion cub who frequently boasts about
The Lion King (franchise) as Head of Story, Roger Allers joined "The Lion King", as the initial director. Allers worked for 6 months on story development and was then joined by co-director, Rob Minkoff. A 2-day story session was held to revamp the story with the two directors, Allers and Minkoff, joined by Gary Trousdale and Kirk Wise, directors of "Beauty and the Beast", and Producer Don Hahn who presided over the discussion. The creative think-tank produced a character makeover for Simba and a radically revised second half of the film. Irene Mecchi joined the team that summer to help further develop the characters