Nuka

In addition, it is implied that Nuka has some mental and emotional instability, including pyromania, as evidenced by when, before proceeding to burn a large part of the Pride Lands to trick Simba into allowing Kovu into the pride as part of Zira's plan, he shouts "Woo! Fire!" He also has a sarcastic side, sarcastically calling Kovu "the Chosen One" when out of sight, and a wicked side to him cutting a branch Vitani is pulling, giving out a wicked laugh when she falls backward.