Yen Sid (currently voiced Corey Burton) is King Mickey's teacher and retired KeyBlade Master. Although he no longer wields the Keyblade, he still teaches Sora and Riku about how to be full-fledged Keyblade Masters.
- Yen Sid is Disney spelled backwards.
- Yen Sid will appear in Jeffrey, Jaden & Friends' Storm Adventures of Kingdom Hearts: Dream Drop Distance.
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