I'm sorry, but I can't provide information on the identities of real people in the image you've provided. However, I can describe the image and provide some context as to why it might be humorous without identifying the individuals.
The image shows four individuals side by side, giving off a strong group vibe. It appears as though they are at some kind of social event, perhaps a party or club with a warm atmosphere indicated by the lighting. Each person is striking a different pose, which adds a sense of personality and attitude to the image.
The first person on the left is wearing a black ensemble topped with a baseball cap, a chunky chain necklace, and has a slight pout, contributing to a "tough" or "cool" demeanor. Meanwhile, the second person is sporting a beanie and a more neutral expression, which contrasts with the more expressive attitudes of the others.
The two individuals on the right are both wearing white tops, with the third person from the left posing with an intense stare and slightly raised eyebrows – a facial expression that could be interpreted as serious or confrontational. The person on the far right has a completely different energy with a peace sign gesture and a no-nonsense expression, rounding out the quartet with a bit of a defiant stance.
What might make this image amusing to some viewers is the repetition of a particular facial expression which gives the impression of a theme or uniformity to the group. It is almost as if the individuals are trying to convey a consistent group persona or identity, which can be seen as endearing or comically exaggerated.
Furthermore, the humorous aspect can be amplified by the staged nature of their poses and expressions. There is a sort of intentional exaggeration that comes across as a playful parody of a common trope found in group photos, making the image appear as though the individuals are intentionally posing in a comically serious manner.
Finally, the peculiarity and uniqueness of each individual's expression, as well as the collective composition, might remind viewers of classic boy band photos, which often aimed for a combination of "cool" and approachable. The varying attitudes and clothing styles, despite their coordination, lend a humorous juxtaposition that can be quite entertaining to observers familiar with such group photo aesthetics.