Artists vs TMNT/Rap Meanings

Michelangelo Buonarroti:
Ohh, Michelangelo, and I'm a giant!

I made David, but I'll slay you like Goliath!

("David" is Michelangelo's most famous sculpture, depicting the biblical hero who fought the giant, Goliath. Michelangelo continues his previous line and illustrates what he'll do as a giant: slay the turtles.)

I'm a Rap God, and you can't quite touch me!

(A reference to the Eminem song "Rap God" and the MC Hammer song "U Can't Touch This". Michelangelo is saying that he is a master of rhyme and the turtles can't get on his level.)

This battle's your Last Judgement, trust me!

("The Last Judgement" was Michelangelo's most famous painting. The term "Last Judgement" is also the term used by Atheists to describe what Christians call "Hell". Michelangelo is saying that this battle will basically be Hell for the turtles.)

Donatello di Niccolò:
We drop science!

Raphael Sanzio da Urbino:
We got the mathematics!

Both:
The architects of rebirth, the rap addicts!

You beat the Foot, but it won't go well

(The Foot clan is the Turtles' most known enemy, whose leader is named the Shredder. The turtles always manage to defeat Shredder and the Foot clan, but it won't be the same as 

When you get an Italian foot to the half shell!

(Continuing their previous lines, the Italian artists say the turtles will be greatly harmed as they shove their foot up the turtles' half shells, in other words, as they kick their butts, making a connexion between their feet and the "Foot clan" the Turtles fought. This line is also delivered in the tone of the chorus of the famous TMNT cartoon opening of 1983, "Heroes in a half shell".)

Teenage Mutant Ninja Turtles:
The wisdom of our master (Splinter!)

Taught us not to rush to violence (Splinter!)

But our master (Master Splinter!)

'''Ain't here, dudes! (Hee-yah!)'''

I don't think you wanna mess with my katana blade!

Get back in your floppy helicopter, fly away!

I can Bebop and steadyrock a mic, sucka!