Character-specific
- Greymon and MetalGreymon are designed after the Gomora Kaiju from Ultraman
- Angemon's design is officially based on Kakugo from Apocalypse Zero while Devimon's design references the titular protagonist of Go Nagai's Devilman.
- Myotismon is designed after Dracula in being a vampire lord with a grim reaper enforcer (Phantomon/Death) and a One-Winged Angel form (VenomMyotismon).
- In the English dub, a lot of characters' voices are based on celebrities, many from the writers' and producers' childhoods. For example, Gatomon's voice has some Eartha Kitt influence because she's a cat.
Anime and Manga
- WarGreymon's Brave Tornado is one to Combattler V's Choudenji Spin while his Terra Force is one to Son Goku's Spirit Bomb.
- The dub title for Episode 25 is called "Princess Karaoke," a reference to Princess Mononoke.
Literature
- Myotismon mentioning "Fire and Ice" by Robert Frost during his takeover of OdaibaMyotismon: Soon now, not in fire or ice but in fog. This world will soon be mine!
Film
- Our War Game has two kids fighting against Diaboromon against the clock because he is essentially a sentient computer program planning to fire nukes that he got access to by hacking the military. Even the name gives a clue to a certain 80's movie.
Other
- Myotismon's resurrection into VenomMyotismon, involving bats converging to form a giant monster, is similar to the resurrection sequence for most of the monsters in Kyūkyū Sentai GoGoV, both shows having aired in the same year.
- The original title for Episode 47 is called "Oh Wind! Oh Light! SaberLeomon," a reference to Kaiketsu Lion Maru.