Surprise-Attack Plum

Surprise Attack Plum (奇襲梅, Kishū Ume) was a Mysterious Being who changed after being arrested by police and decided to attack the police for payback.

Appearance
While human, he looks rather average, with short black hair and glasses. Once he becomes a mysterious being, he has dark red skin with multiple pits and ripples.

Personality
Surprise-Attack Plum has a rather vengeful character and seems to have had issues with drugs in the past which cost him his family and his former life in general.

History
Surprise Attack Plum was a human who was arrested because of drug possession, apparently losing his job and family. He became a Mysterious Being because of this and went on a rampage against police officers to get revenge.

Pork Cutlet Bowl
Surprise Attack Plum began attacking their establishment after shedding his delivery man disguise, stating his hatred and assault on the Law was out of revenge for busting him earlier in his life, with the disaster at hand Chief Kuma had to be dragged away from the questioning room to observe the threat. Saitama single-handedly took out the monster as the rest of them looked on goading the creature into an attack.

Physical Abilities
Surprise-Attack Plum has been shown to possess impressive physical strength, speed and agility. He is bulletproof and possesses a pit he can fire out of his face for ranged attacks, with impressive ricochet ability.

Shock Absorption (衝撃吸収, Shōgeki kyūshū): Surprise-Attack Plum is capable of absorbing the power of the attacks that he receives.

Mimcry Ability (擬態能力, Gitai nōryoku): Thanks to his elasticity, Surprise Attack Plum can take the appearance of a normal human, and recover his original appearance. He can take on the appearance of any human.

Fighting Style
Marksman: Surprise Attack Plum uses projectiles to attack his opponents.
 * Seed Launch (種発射, Tane Hassha): Surprise Attack Plum launches a projectile from his face that ricochets multiple times.

Trivia

 * "Kishū" is a homonym of surprise attack (奇襲, Kishū), and Japanese place name (紀州, Kishū). This is an area famous for production of the plums.