Yen Sid is the most powerful sorcerer and teacher of Mickey Mouse.
- Yen Sid met Winnie the Pooh and his friends in Pooh's Adventures of Fantasia.
- Yen Sid will meet Thomas and his friends in Thomas' Adventures of Fantasia.
- Yen Sid is a recurring character in the Logan's Adventures series.
- Yen Sid will meet Hubie and his friends in Hubie and Marina and The Lion King, where he gives them a task, mostly for Splatter Phoenix.
- Yen Sid will meet Sonic and his friends in Sonic Storm Adventures of Re: Kingdom Hearts II.
- Yen Sid spells "Disney" backwards.