Idenity of squid game guards (REPOST BECAUSE PREVIOUSLY GOT ARCHIVED)

We are trying to find out the idenities of the squid game guards, The Circle is obviously Mrs fitzpatrick/Clarissa. Their voice sounds the exact same, I think Triangle is ricky, he was a one off character who beats off in the strip club, they both sound the same too, We know the guy in black is Billy, They sound the exact same. I dont know who the Square guard could be. Got any ideas?