My dw OC Aqua

Aqua, she is Finn’s sister! Finn somehow created her bye ACCIDENTALLY spilling the water in his head and somehow the water formed into Aqua she is a bit twisted tho, cause the water got some ichor only Finn and Dandy know Dandy pretends he doesn’t know tho. How to know if someone it turning or is twisted red eye or eyes, ichor black stuff, not acting the same and acting different and strange.