This user stole & resold my design on Toyhouse, and has scammed others, they change their username often but have been at this for years.
My beware: https://www.deviantart.com/allibun/journal/BEWARE-Katchisu-SailorPawz-Sukissel-etc-878140815
(has screenshots, links to accounts, etc.)

Existing beware (never paying contest winners, & not finishing commission): https://www.deviantart.com/users/outgoing?https://artistsbeware.info/beware/submissions/artist-bewares/contest-artist-participants-beware-sailorpawz-r251/