Catherine/Awesome

"Vincent: Suck it!!"
 * True Ending of the Cheater Route:
 * Vincent's challenge to . Erica even comments on it.
 * The fact that the game over theme is Sarasate's "Zigeunerweisen" is awesome by virtue.
 * More of a meta-example, but if you, the player, can beat all stages of Babel, all of which are much harder than the other levels, you are definitely a master of Catherine.
 * After completing the Torture Chamber (Stage 3) and the boss is dying:

"Vincent: "
 * Which overlaps with Crowning Moment of Funny when you remember that said boss is the infamous conjoined, lustful lovers monster.
 * Vincent fearlessly telling off  at the end of the Final Stage.