Kenzan Rat

Kenzan Rat (ケンザンネズミ, Kenzan Nezumi) was a Dragon-level mysterious being that attacked H-City. It was killed by Tatsumaki.

Appearance
Kenzan Rat had the appearance of a colossal rat with spikes across its back and sharp teeth.

Psychic Sisters Arc
Kenzan Rat appears in H-City, completely destroying the east side of the city. Metal Bat is sent by the Hero Association to defeat it. Before Metal Bat can engage it, Kenzan Rat is killed by Saitama and Tatsumaki who were fighting through the cities.

Abilities and Powers
Not much is known about its abilities. However, given its enormous size and the fact that it was rated as a Dragon-level threat, Kenzan Rat was an extremely powerful being.

Fighting Style
Mass Destruction: Kenzan Rat uses his immense size to cause catastrophic destruction, able to crush a city without significant effort and tower over skyscrapers.

Trivia

 * Kenzan means "Needlepoint Holder".