Sankaku Head

Sankaku Head (サンカクヘッド) is a minor character in the anime and is the original creator of the manga Himouto! Umaru-chan.

Apperance
In the series, they are typically seen wearing a white cylinder on their head, with a larger version of the hamster face on Umaru's hoodie. They sport a dark jacket with a white S embroidered on the left side, paired with dark pants and white sneakers. In the Gaming Competition, they wore a dark blue mask.

Personality
Not much is known about Sankaku Head's personality.

Trivia

 * SKH, their alias, means Sankaku Head.