wellllll
Explanation
This comic is a single-panel joke about impostor syndrome, featuring a character wearing a comically obvious disguise -- oversized novelty glasses with a fake nose and mustache, and a bow tie -- sitting at someone else's desk.
The character speaks in an exaggerated, theatrical voice (indicated by the stretched-out words): "Welllll, it seems the usual occupant of this this desssssssk is gonnnnne, and I, John Sowandso must secretly take his plaaaaaace!" The elongated words and dramatic delivery suggest someone performing an obviously terrible impersonation, like a cartoon villain or a bad actor in a heist movie. The name "John Sowandso" (a play on "so-and-so") emphasizes that this is not a real alias -- it is barely even trying.
The caption below delivers the punchline: "Pro Tip: You can cure your Impostor Syndrome by actually becoming an impostor."
The joke works on multiple levels. Impostor syndrome is the well-documented psychological phenomenon where competent, qualified people feel like frauds who do not deserve their position and will soon be "found out." The comic's absurd advice -- just literally become an impostor -- is funny because it inverts the problem: if you already feel like a fraud, you might as well commit to the bit. There is also an ironic layer: the character is doing such an obviously terrible job of being an impostor (ridiculous disguise, dramatic monologue about their own deception) that they would be caught instantly, which contrasts with real impostor syndrome, where the "impostor" is actually competent and nobody suspects anything.
The visual gag of the Groucho Marx-style glasses reinforces the absurdity. Real impostors try to blend in; this character is wearing the most recognizable fake disguise in Western culture. The comic suggests that the gap between feeling like an impostor (internal, invisible, affecting capable people) and being an impostor (external, visible, comically incompetent) is vast and funny.