Producers went to pretty extreme lengths to make it that much harder to discover the identities of the many contestants which should make identifying them extra hard for judges and viewers.
One reason fans should doubt any and all pre-premiere guesses is because clues are supposed to be much tougher in The Masked Singer Season 2.
With that being said, it’s really hard to outwit the scores of people on the internet when they can crowd source ideas and all use the internet during clues.