Azumeh the mandrill. Happy or sad, he's got just the manipulatable mug for the job - but it's definitely his angry face that gets him the most attention. Just one command from his trainer and there you go, one angry-looking mandrill.
Threat display of the Drill primate. The drill is a member of the Old-world monkey family and is most closely related to the mandrill. They are among Africa’s most endangered mammals. (by Mako Fotografia on
The mandrill (Mandrillus sphinx) is a primate of the Old World monkey family, closely related to the baboons. Mandrills mostly live in tropical rainforests and forest-savanna mosaics, in groups called hordes.