I touch on it briefly in the book, but our 3 titular merfolk in Thirsty Mermaids met when they were

I touch on it briefly in the book, but our 3 titular merfolk in Thirsty Mermaids met when they were 2 little, abandoned merkids and 1 very powerful, very tiny sea witchling.

In honor of MerMay, here are some more drawing of them as kids.