Quotes / Shapeshifter Guilt Trip

In this world, it's kill or be killed. So you were able to play by your own rules. You spared the life of a single person. Hee hee hee... But don't act so cocky. I know what you did. You murdered her, and then you went back because you regretted it. Ha ha ha ha... You naive idiot.
Flowey, if the player should kill Toriel then restart to spare her as he switches between mimicking her face and giving other funny faces, Undertale

"What's with you?! That was the face of your friend! You would do hthis to your FRIEND?!"
Mr. 2, upon realizing this trope failed on Sanji, One Piece

(TARDIS Voice Interface projects an image of Rose)
The Doctor: Thanks! Give me guilt...
(Rose turns into Martha)
The Doctor: Also guilt.
(Martha turns into Donna)
The Doctor: More guilt!
Doctor Who, "Let's Kill Hitler"