Overgrown Rover is an enormous, doglike monster who appeared during the S-Class Heroes' attack on the Monster Association. Rover is easily a Dragon level threat and is by far one of the Association's most powerful monsters, albeit clearly one of the least intelligent. It makes its first appearance when Garou attempts to rescue Busaiku, blocking their escape. The monster proves incredibly dangerous, though Garou is able to briefly overpower it before he falls through the floor. When Saitama shows up, the beast attempts to stop him, but he simply stomps on its head and continues on. Amazingly, this merely knocks the monster unconscious instead of killing it. Rover later battles Bang, BombGenos, and Fubuki when they attempt to enter the base. Even with their combined might, the four of them prove completely unable to harm the monster. However, when Bang mentions the word "sit", Rover's doglike nature takes over and it calmly sits down, allowing the heroes to pass.  After the Monster Association's base was destroyed, Rover survived, but was shrunk down to the size of a fairly small dog. When Saitama returns to salvage what he can from the wreckage of his old house, Rover and a significantly weakened Kuroi Seishi decide to follow him back to the Hero Association HQ as pets. The two formerly dangerous monsters are currently entrusted to Butterfy DX and Chain'n'Frog due to Forte losing a bet with Saitama.

Powers and Stats

Tier: 7-A

Name: Overgrown Rover

Origin: One Punch Man

Gender: Presumably male

Classification: Monster, Dragon level threat, Former member of the Monster Association

Age: Unknown

Powers and Abilities: Superhuman Physical Characteristics, Damage Negation (Appears to be able to reduce its size when significantly harmed as opposed to taking lethal damage), Energy Projection, Size Changing

Attack Potency: Mountain level (One of the strongest monsters in the whole Monster Association, and is noticeably more powerful than most other Dragon level monsters. Toyed with Garou. Effortlessly fended off the combined might of Bang, BombGenos, and Fubuki.)

Speed: At least Massively Hypersonic+

Lifting Strength: At least Class 100+ (Survived being covered in countless tons of rubble and dug its way out)

Striking Strength: Mountain Class

Durability: At least Mountain level (Completely unaffected by the Cross Fang Dragon Slayer Fist performed by Bang and Bomb. This attack was stated by Murata to be more powerful than the Whirlwind Water Stream Roaring Aura Sky Ripping Fist, which was powerful enough to completely shatter Elder Centipede's carapace. Considering that Bang was capable of one shotting two Dragon level monsters on his own not long after, Rover is incredibly tough, even for Dragon standards. Survived a casual attack from Saitama)

Stamina: Immense

Range: At the very least multiple kilometers with energy blasts

Standard Equipment: None

Intelligence: Presumably only slightly more than that of an average dog

Weaknesses: None.


Notable Victories:

Notable Losses:

Inconclusive Matches:

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