It's super annoying but hard to block the spam on the relays. Amethyst allows you to block by profile pic, maybe @Derek Ross can help you out here. 

 Yeah, block the profile pic. I haven't seen him since. 

 I added utxo relays in general relays and it worked... Try it! 

https://nostrcheck.me/media/04c960497af618ae18f5147b3e5c309ef3d8a6251768a1c0820e02c93768cc3b/ae5f530d909c8c5a808d21f3eb1cabafb17a08e4daf5cab3a49e0e7568020e91.webp