Someone has posted on multiple websites that I stole their character design for an adopt I made. The characters both have purple colors in their design, but the one I made has several colors their OC doesn't, none of the markings are even similar, and there's other differences on top of that.
I've never had contact with this person beyond them telling me I stole their design [and they even had other people contact me to say the same things].
They asked to buy the design because it's "too similar" to theirs, but I declined to sell it to them. Frankly, I thought it was a stupid reason to try to buy it and my ToS states I can refuse a sale for any reason. They're now saying that me refusing to sell it to them is "suspicious".
I blocked their FA account and hid the comments since I don't want that harassment and drama on my page when I've done nothing wrong.
Right now they have a Twitter post directly naming my account, showing both of the characters, saying I stole the design, and basically calling me a thief. People are telling them my design is nothing like theirs, but they're digging their heels in.
Is this something I can make a caution post about maybe?