#you may interpret it to be whichever brother's DNA you wish <3 Tumblr posts

[test-tube-turtle]

(Casey Jr: Origins)

Leo: You can’t just make a lab baby because Casey asked for one, Donnie, we’re in the middle of the apocalypse. How will they survive???

Donnie: Don’t worry, to make them more durable I altered their DNA to include mutant genes

Leo: What kind of mutant??

Donnie: ....Turtle.

Leo:

Leo: Which one of us was it from

Donnie:

Leo: Which one of us was it from, Donnie