8 Characters unlikely to be in a Sonic the Hedgehog movie.
In Sonic Forces, a villain was introduced who many fans feel was vastly underutilized. Infinite, with his ability to manipulate his surroundings using the Phantom Ruby, is a character brimming with potential—far beyond what he was allowed to showcase in the game.
Sonic Unleashed takes players on a unique world tour after Eggman wreaks havoc on the entire planet. Along the way, Sonic meets a character named Chip and forms a close bond with him.
Although not a playable character in Sonic Adventure, Tikal is at the heart of its story. She appears in flashbacks from the ancient past, where she tried to protect the Chao from her father and his war-hungry tribe.
Blaze is one of the strongest female characters in the Sonic series, but despite her clear popularity, it seems unlikely she’ll be included in future Sonic movie projects. Much like Marine, many of Blaze’s stories revolve around the alternate dimension setting of the Sonic Rush games
Sonic Rush series on the Nintendo DS introduced some unique new characters. In the second title, Sonic Rush Adventure, players were introduced to Marine the Raccoon, a young and energetic character who helps Sonic, Tails, and Blaze on their quest.
Sticks made her debut in the Sonic Boom continuity, which featured an alternate take on Sonic and his friends in a brand-new setting. While she was mentioned in Sonic Frontiers, officially making her part of the main series
E-102 Gamma appeared in Sonic Adventure as one of Eggman's advanced battle robots. However, he quickly became a fan favorite for his compelling story. Breaking free from Eggman's control, Gamma embarked on a mission to liberate his "brothers" from the doctor’s grip.
Any Sonic fan has likely heard of how infamous Princess Elise has become. Introduced in Sonic '06, she is the princess of Soleanna and is repeatedly kidnapped by Dr. Eggman throughout the game. Sonic has to rescue her multiple times, and in a controversial moment, she revives him with a kiss after Mephiles kills him.