Across
- 4. A carnivorous plant that Poison Ivy mutated into.
- 9. A mental health facility where the criminally insane and dangerous individuals are kept on the premises.
- 11. The father and teacher of the TMNT and a mutant rat
- 12. He is characterized by his extremely unusual deformities, which occur only on the left side of his body.
- 13. An ancient ninja clan, led by the Shredder and operating out of New York City.
- 15. A spotted jungle cat that Bane mutated into
- 16. He is the most intelligent and technically adept of the brothers.
- 18. The nemesis of the Ninja Turtles, the leader of the Foot Clan.
- 19. A massive carnivorous dinosaur that a Foot Clan ninja mutated into.
- 20. A dangerous psychopath who was badly disfigured after falling into a vat of chemicals at Ace Chemicals.
- 21. The Preeminent superhero of Gotham City, and Alter-ego of Bruce Wayne
- 23. The other name for the Mutagen
- 25. A company owned and run by Bruce Wayne.
- 29. The nickname that Batgirl tauntingly called the mutant elephant
- 31. An international organization of the world's greatest killers, and lead by Ra's Al Ghul.
- 33. He is considered the leader of the group, which sometimes weighs on him.
- 34. An african big cat that another Assassin League member mutated into.
- 38. He is considered the most temperamental and violent of the four brothers.
- 39. Bruce Wayne's loyal butler and friend, and assists him in his work as Batman.
- 41. A laughing wild dog with spots that Harley Quinn mutated into.
- 42. Techno Cosmic Research Institute, a scientific corporation/organization.
- 44. A female deliverying pizza.
- 46. The other name for the RetroMutagen.
- 49. He uses a potent fear gas to cause hallucinations in his enemies.
- 50. She typically works with the Joker, with whom she has a romantic relationship.
- 52. The Home of the Wayne Family
- 53. A chemical formula created by the Joker, which appears to be the substance that disfigured him and drove him insane.
Down
- 1. A bloodthirsty winged mammal that Batman mutated into, temporarily.
- 2. The TMNT's famous catchphrase
- 3. Ra's Al Ghul's bald, muscular manservant
- 5. A notorious criminal in Gotham City who is obsessed with plants
- 6. Batman's own mode of transport.
- 7. He refers to himself as the man who "broke the Bat."
- 8. A feline with two heads that Two-Face mutated into.
- 10. He is considered the most playful and energetic of the four brothers, and has the greatest love of pizza.
- 14. The police commissioner for the Gotham City Police Department, and a close ally of Batman.
- 17. He is normally restricted to a suit that keeps his body temperature low, and uses ice and cold as weapons.
- 21. One of the proteges of Batman, and the alter-Ego of Barbara Gordon.
- 22. What Shredder become after landing in the Joker Venomized Mutagen
- 24. Bruce's secret headquarters located below the Wayne Manor
- 26. The TMNT's own mode of transport.
- 27. A counter chemical used for de-mutating.
- 28. A hooded serpent that Joker mutated into.
- 30. A longtime nemesis of Batman, and the leader of the League of Assassins.
- 32. The big city that Batman protects from crimes.
- 35. A wild dog that one Assassin League Member mutated into.
- 36. The radioactive chemical that mutates every living organisim.
- 37. A genius scientist working for the Foot Clan and Shredder. He is also a mutant fly.
- 40. What the TMNT love to eat
- 43. He is criminal in Gotham City frequently at odds with Batman, and he usually weilds a trick umbrella..
- 45. A white bear that Mr Freeze mutated into.
- 47. A large mammal with tusks that a third Assassin League mutated into.
- 48. A black bird that Scarecrow mutated into.
- 51. Also known as Damian Wayne, the protege and son of Bruce Wayne.