Sad but true fact - The redesigns have been in the game longer than the old designs 😢 the old skin designs were changed in 2021 and have only been around for 1 year, actually barely even a year
If you're ever confused about a piggy characters gender, just look at the hands. Males have 4 fingers while females have lego-like hands, however there are a few exemptions, thos being Father, Little Brother, and Bela and I THINK Ghosty has fingers despite being female.