Kurkupa

Hair. One of the most noticeable details is his bangs. They look different in different videos and profile pictures: sometimes neater, sometimes a little disheveled. Seryozha himself mentioned in one of his videos that at one point he was especially proud of his bangs.
Facial features. He has rather expressive, "soft" features. His smile and gaze are often highlighted in his videos—his overall image is quite open and friendly.
Style. On camera, he most often appears in casual clothes—T-shirts, hoodies, and jeans. He sometimes tries out different looks for sketches, but his basic style remains relaxed.
His look isn't particularly complex, but his bangs and demeanor have made him quite memorable. His followers often discuss his appearance in the comments and create memes!