Sumara is the last player in the game. She can calm lemurs that she passes, and also possesses the previous characters abilities without any downsides.
In-game description[]
"Full of warmth and wisdom, Sumara shares a deep connection to the desert's wildlife, and all travelers she meets. Even the mischevious Lemurs are calmed by her presence.
She is acquired by completing level 51, she has the abilities of all other characters (double jump, slow loss of momentum, fast backflipping), making her the best character in the game."