Later on, they see Simba and Nala quarrelling. Kion (voiced by Max Charles) is the son of Simba and Nala. Zazu is a red-billed hornbill and majordomo to Mufasa and later Simba. Kopa was also originally going to be the oldest of Simba and Nala. With both Simba and Mufasa dead, Scar usurps the throne and becomes king. Meanwhile, Zira plots to manipulate Kovu to exact revenge on Simba for Scar's death. He then encounters Rafiki, who tells him that Mufasa's spirit lives on in Simba. Meanwhile, Scar plots to eliminate Mufasa and Simba, so he may become king. Determined to regain his birthright, Scar devises a plan to kill both Simba and Mufasa. However, Zira, consumed by her resentment towards Simba, falls to her death. Since November 2015, Lowe voices Simba in the Disney movie and series "The Lion Guard". Matthew Broderick provided the speaking voice of adult Simba. That winter he began a series of matches with Saba Simba and Shane Douglas. In this version, Donald Glover was cast for the role of Simba. However, producer Don Hahn felt that he was better suited for animating Simba.