- Infernity Beast
- Infernity Beetle
- Infernity Destroyer
- Infernity Doom Dragon
- Infernity Doom Slinger
- Infernity Dwarf
- Infernity Guardian
- Infernity Mirage
- Infernity Necromancer
- Infernity Randomizer
- Infernity Zero
- Influence Dragon
- Injection Fairy Lily
- Insect Princess
- Insect Queen
- Insect Soldiers of the Sky
- Interceptomato
- Invincible Demise Lord
- Iron Chain Blaster
- Iron Chain Coil
- Iron Chain Dragon
- Iron Chain Repairman
- Iron Chain Snake
- Iron Hans