Max is flinchy, irritable, easy to disappoint, a stickler for the rules, and very pessimistic about life in general. He is especially against the concept of being eaten.
Uncle Max has scruffy gray fur on his head and fur that has presumably dulled tan from old age. He has dark circles around his eyes, darker gray stripes on his body, and bushy eyebrows. He is overall slender, although having a slightly pudgy tummy.
Max: "She's right! We're food for other animals! A movable feast! Feared by no one and eaten by all!" Timon: "But when they die, they become the grass and we eat the grass...right?" Max: "Not exactly, we can't eat grass. We're grass intolerant..."
—Max and Timon
Uncle Max is the uncle of Timon, and it is assumed that he is the brother of either Ma or Timon's father. He lives in a colony of meerkats, far from the Pride Lands. In the film, Ma asks him where Timon is until the tunnel is collapsed by Timon's "handy work". Because Ma wants Timon to fit in with the meerkat colony, she requests of Uncle Max to assign Timon to lead the sentry duty. At first, he is very reluctant, but he ends up mentoring him. When Timon is caught off-guard singing "That's All I Need" while on sentry duty, he was nearly eaten by Shenzi, Banzai and Ed, who infiltrated the colony, but he recovers.
Later on in the film, Rafiki tells Ma that Timon is "looking beyond what he sees" and Max follows Ma as they go look for Timon. Near the climax, he is reunited with his nephew Timon and meets Pumbaa. Timon and Pumbaa make a plan with him and Ma to build a trap to keep the hyenas away from Simba who fight his uncle who was really responsible of Mufasa's death.
Along with Ma, he digs a tunnel, with him singing, while Timon and Pumbaa stall the hyenas. The tunnel he digs with Ma initially fails leading to Timon to finish the tunnel which leads to the downfall of Scar and the hyenas. When Timon finishes the tunnel, he hugs Timon so hard that he feels nearly chokes. Finally, he is present with Timon, Pumbaa, and Ma as they see Simba take back his throne after Scar is being killed by the hyenas for blaming the murder of his own brother on them.
Finally, he is seen demonstrating a pose in a session of tai-chi with other meerkats in the oasis, and when Pumbaa states he wants to watch the movie again, Max comments he has brought extra butter to go with his grubs as he enters the theater.
Originally, there was going be another meerkat in Max's place: Timon's father, but the character was deleted.
It is unclear whether Uncle Max is Ma's brother or not, but since Timon's father was deleted, it is more likely that he is on Ma's side of the family.
Ma also refers to Max as "Uncle," implying that Max could be Ma's uncle and Timon's great-uncle. However, in the special featurette Timon: Behind the Legend, the label for Max says "Timon's Uncle".
Max is Timon's uncle, but refers to his nephew as "sonny boy" during the film.
Max could be short for Maximilien, Maximiliano, Maxwell, Maximus, Maxim, Maximo, Maxfield, Maximino, Maximilian, Maxey, Maxie, or Maxa, all of which mean "the greatest" like Max.
Max has an uncanny resemblance to Iron Joe, and even gets a part of his tail fur bitten off early in the movie.
Max was animated by Lianne Hughes (supervising animator), Michael Howie, Mike MacDougall, Deborah Cameron, Noel Cleary (senior animator), Adam Murphy (senior animator), Donny Pattenden, Jocelyn Sy, Nadine Wagner-Westerbarkey, Charlotte Walton (assistant animator), David Wilkinson (assistant animator), and Marco Zanoni.