- Ascended Fanon: Bandana Waddle Dee is now the official name for the No Name Given bandana-wearing Waddle Dee; Bandana Dee was once a simple Fan Nickname for him.
- Fan Nickname: Dedede's Drum Dash is sometimes called Do-Re-Dedede by fans Just for Pun.
- Fans mis-romanized Taranza's name as Daranza, which persisted until the official translation set the record straight.
- Milestone Celebration: Done very subtly. 2014 is the tenth anniversary of The Amazing Mirror, which explains Shadow Kirby being the final boss of Kirby Fighters and Shadow Dedede and Dark Meta Knight being the final bosses of Dededetour!
- The Other Darrin: King Dedede is not voiced by Masahiro Sakurai as he was in Kirby 64: The Crystal Shards or his Super Smash Bros. appearance. Here, he's voiced by Shinya Kumazaki like in Kirby's Return to Dream Land.
- Talking to Himself: Kirby and Sectonia are both voiced by Makiko Ohmoto.
- Word of God: According to director Shinya Kumazaki, the Dimension Mirror is what corrupted Sectonia.
Trivia / Kirby: Triple Deluxe