""So, Tappet, how did you get that rare wallpaper? Did you craft a ton of badges and spend months in the marketplace?"
"Nope, I just bought some games and used my Steam Points to buy it, King."

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Proof:

https://gaming.stackexchange.com/questions/77471/who-are-the-steam-mascots

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Steam Guides

https://test-steamproxy.haloskins.io/sharedfiles/filedetails/?id=2759105267


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Deviantart


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King(?), Tappet, Steam (c) Valve"