Mutagen (The Next Chapter)

Mutagen, also known as Mutagenic Ooze, is a mucilaginous, radioactive, green-colored, glowing chemical substance that has served as a key plot device in nearly every medium of the Teenage Mutant Ninja Turtles. Any creature that is exposed to mutagen will be affected in a myriad of ways, from growing in size and intellectual capacity, merging with inorganic materials such as metal, or gaining superpowers such as telepathy or telekinesis. It is responsible for mutating, among others, Splinter, the four Turtles, and villains such as Bebop and Rocksteady.

In this film, the Mutagen is depicted as having several similar properties to the version seen in the 1987 series; It blends the victim's genetics with that of whatever creature that they have last made contact with. It has a glowingly green coloration to it.

Michelangelo refers to an empty mutagen canister as "mom", due to the role that it played in their creation.

It is revealed that April O’Neil’s DNA is the key to making retro mutagen. It is also revealed that April is immune to mutagen, possibly thanks to her having Kraang DNA. Her immunity to mutagen is the reason why her DNA worked to make retro mutagen.

Regular Exposure
The contact with mutagen causes one to merge with the DNA of the last creature one came in contact with. If one has not recently come in contact with any living being it causes one to mutate into an undefined blob.

Wounds
If one is physically hurt when mutated, the wound will reflect on its final form.

Ingestion
If ingested, the mutagen causes one to mutate into the last thing ingested before the mutagen. For example, Klunk mutated into Ice Cream Kitty, as he ingested a mix of mutagen and Ice cream.

Loss of Intellect
Oddly, the mutagen causes some subjects to lose their intellect in some rare cases.


 * Exceptions:
 * Although other intellectuals such as Baxter Stockman and Dr. Victor Falco did not develop a "beast mode", they did develop higher levels of antisocial behavior and psychosis.

Secondary Mutants
Secondary mutations are known to cause, as referred to by Mikey, "super mutants". It occurs when a mutant is exposed to mutagen for a second time.

Tracking Technology
Donatello developed devices that would help him and his brothers to look for the missing mutagen canisters.


 * Ooze Specs
 * Mutagen Tracker

Trivia

 * Mutations are generally anthropomorphic and animalistic, usually, someone mutates into the last anthropomorphic and animalistic object/animal they come into contact with, albeit rather hideously deformed/disfigured.
 * Hamato Yoshi/Splinter was mutated into a large anthropomorphic grey sewer rat because he was holding his pet rat, while the Turtles became anthropomorphic, taking on human-like abilities and characteristics because they were in Yoshi's hands.
 * Baxter Stockman was mutated because a housefly landed on his nose.