None of the work below belongs to me. Credit belongs to Rick Riordan and people who created the headcanons etc.

Annabeth: Percy, I have something to tell you.

Percy: Alright, wise girl, what is it?

Annabeth: I'm pregnant

Percy:...

Percy:...

Percy:... So, like, will it come out of your head, or...?

Annabeth: I swear to the gods.

After high school when Percy and Annabeth were packing for college in New Rome. Annabeth found a old camp t-shirt that wouldn't fit Percy in a million years. Annabeth asked Sally what she should do with it, Percy walked in and said, "We'll keep it for the next little Chase-Jackson."