This character exists primarily within the Sonic Boom continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Lady Goat is a character that appears in the Sonic Boom television series. She is an anthropomorphic goat and Lady Goat's counterpart from an alternate dimension where Sonic never existed.
Lady Goat is essentially a doppelganger of her Sonic Boom World counterpart and is so identical to her in both anatomy and attire.
At some point, Lady Goat starred as an actor in a commercial for Knuckles' Upper-Body-Only Workout Center.
Similar to her counterpart, Lady Goat seems to prefer manly and macho men.