Some of the most unlikely Heroes to ever grace our screens and comic books is that of the Teenage Mutant Ninja (Hero) Turtles. Taking the premise that four Turtles could become Ninjas this cult comic became a cultural phenomenon in the Nineties leading to a huge wave of popularity with Children and Adults. A TV series and several films were made out of the franchise. A large range of toys were also produced. Not bad for a group whose secret base might have caused issues with the sewers. If they lived in Essex rather than New York it would not have been a problem. Blocked Drains Essex way are soon sorted out by https://www.3flowdrainage.co.uk/drainage-services/blocked-drains-essex Mutant turtles or not.
The story starts with four baby turtles being covered in an experimental goo. This gives them intelligence and strength. The scientist that creates the glue is killed for its secrets by the evil Shredder. The Turtles are rescued by Splinter, a lab Rat that has also taken the clever goo. He takes them down to the sewers where he trains them in the art of the Ninja. He names them after his favourite painters, Michelangelo, Rafael, Leonado and Donatello. They seem to exist on nothing but pizza.
Befriending a local journalist the Turtles and Splinter plan their revenge on Shredder and his evil minions the Foot Clan. It was only called Hero Turtles in the UK as there was a ban on openly showing Ninjutsu weapons and paraninalia at the time. It did nothing to dent the popularity of the franchise and was renamed once the ban was lifted.