At the preserve , Koko met .
At the preserve , Koko interacted with a variety of celebrities including Robin Williams , Fred Rogers , Betty White , William Shatner , Flea , Leonardo DiCaprio , Peter Gabriel , and Sting .
At the preserve , Koko met and interacted with a variety of celebrities including Robin Williams , Fred Rogers , Betty White , William Shatner , Flea , Leonardo DiCaprio , Peter Gabriel , and Sting .