Longclaw the Owl

Longclaw is a character that appears in the Sonic the Hedgehog film series produced by Paramount Pictures and its spin-offs. She was an anthropomorphic owl warrior and the last of her kind, and served as the guardian of the Master Emerald. She was also the guardian of Sonic the Hedgehog during his early childhood. She ultimately met her end while sending Sonic to Earth in order to protect him from her kind's rivals, the echidnas.

Canon

 * Donna Jay Fulks

Fanon (Idea Wiki-exclusive)

 * Kari Wahlgren (Marvel's Spider-Man: Webbed Champion and Sonic and the Tomb Raider)

Iago PUC

 * Longclaw appears as a guest character in Marvel's Spider-Man: Webbed Champion, voiced by Kari Wahlgren. Appearing in "Legendary Universes, Part 3: Unlimited Speed", she is depicted as Sonic's childhood caretaker, and a mentor for him and the Freedom Fighters. Meeting Spider-Man and his teammates the Champions, she tells them of the history of Jarvis's robot body, which was salvaged by Richard and Mary Parker for their experimentation after it was subdued by the Echidna Tribe.
 * Longclaw returns in the show's second Disney+ sequel miniseries Marvel's All-Star Multiverse, voiced by Wahlgren. Being among the heroes from alternate universes who occasionally visit the Avengers' dimension, Longclaw befriends Peter Parker's Aunt May, and the two frequently share recipes with one another.
 * Longclaw appears in Sonic and the Tomb Raider, voiced by Kari Wahlgren.

Moon Silvight

 * Longclaw appears in TBD.

Joint ideas

 * Longclaw appears in Sonic: Top Speed, with Donna Jay Fulks reprising her role.
 * Longclaw appears in Sonic: Elemental.