wellllll
Explanation
The comic shows a character wearing an absurd disguise (comically oversized glasses with a fake nose and mustache, plus a bow tie) sitting at a desk, monologuing in an exaggerated, drawn-out manner: "Welllll, it seems the usual occupant of this this dessssssssk is gonnnnnne, and I, John Sowandso must secretly take his pllllaaaaace!"
The caption below reads: "Pro Tip: You can cure your Impostor Syndrome by actually becoming an impostor."
The joke operates on a clever inversion. Impostor syndrome is the well-known psychological phenomenon where competent people feel like frauds despite evidence of their abilities. The comic's "solution" is to literalize the metaphor: if you feel like an impostor, just become an actual impostor (complete with a cartoon disguise). This is funny because it treats a psychological condition as though the problem is merely that the person hasn't committed fully enough to the role. The deliberately terrible disguise (the classic Groucho Marx glasses) and the character's overwrought villain-style monologue (with comically elongated words) underscore the absurdity -- this is the most obvious, unconvincing impostor imaginable, which contrasts sharply with real impostor syndrome, where people are typically highly competent but unable to see it.