Kombu Infinity

Kombu Infinity (昆布インフィニティ Kombu Infiniti) is a Mysterious Being that dwelled in Z-City. It created a rumor that a strong being was present in the outskirts of the town, drawing strong Superhero opponents to it. It was eventually defeated and chased away by Saitama.

Appearance
The being's full appearance was never revealed. It resembled the silhouette of a young man, with visible big round eyes and a mouth with some teeth missing. It had all of the necessary limbs and kombu, seaweed tentacles as hair. The tentacles were as long as its body and outside of combat, revealed its appearance.

Personality
Kombu Infinity has a sinister and scary personality. It created the rumor of the strong being simply to face stronger and stronger opponents. He likes to fight them and enjoys their defeat. It also seems that the creature spoke in the plural form, referring to itself as "we".