Eris

Eris is the Goddess of Discord and Chaos, and Littlefoot's worstest enemy. She meet Pooh in Pooh's Adventures of Sinbad: Legend of the Seven Seas.

Trivia

 * Eris will become Littlefoot's worst enemy in Littlefoot's Adventures of Sinbad: Legend of Seven Seas.
 * Eris will get her revenge on Littlefoot in Littlefoot Meets Princess Mononoke, and Littlefoot's Return to Oz.
 * Eris was known as Blackfire, Starfire's sister, but she has turned into her powerful from and works with Belladonna to get revenge on Starfire in Littlefoot's Adventures of An All Dogs Christmas Carol.
 * She was revealed that Eris was Ariel's evil aunt, like Scar was Simba's evil uncle, and she will get her revenge on her mermaid niece in Littlefoot Meets The Prince of Egypt.