The Lion King in California and in Florida, were responsible for establishing the personalities and setting the tone for the film's main characters. The animation leads for the main characters included Mark Henn on young Simba, Ruben A. Aquino on adult Simba, Andreas Deja on Scar, Aaron Blaise on young Nala, Anthony DeRosa on adult Nala, and Tony Fucile on Mufasa. Nearly 20 minutes of the film, including the "I Just Can't Wait to Be King" sequence, were animated at the Disney-MGM Studios facility. More than 600 artists, animators, and technicians contributed to "The Lion King". Weeks before the film was to be
Simba more seasoned animators gravitated towards "Pocahontas" because "The Lion King "was deemed a "risk", while less experienced animators were assigned to work on "The Lion King". Co-director Rob Minkoff received this positively, saying that this decision "gave a lot of newer animators a chance to step up to leadership roles." The role of animating Simba was divided between Ruben A. Aquino and Mark Henn, the former of whom was the first animator to be assigned to the project. While Henn served as the supervising animator of Simba as a cub, credited as Young Simba, Aquino was placed in charge of