As a longtime follower of the fighting game community, FGC, I can confirm that SonicFox is an absolute legend, arguably the greatest fighting game player of all time.
In terms of lifetime earnings from tournament winnings, they are currently third: https://www.esportsearnings.com/players/fighting-game-players
But the 2 players ahead of them each won USD$1 million in single tournaments within the last year.
And they are a openly gay and a furry, in an online sport where they're really the only open one of either of those.
edit: Fixed pronouns.