Origins: One Piece
Alias/Aka: "Firefist" Ace
Classification: Human pirate, Devil fruit user (Logia type, fire/flame man)
Threat level: Dragon-
Powers and abilities: Superhuman Physical Characteristics, Ate Mera Mera No Mi which enables him to become, create and manipulate Fire, Intangibility (By turning into fire itself), Regeneration (High-Mid, in logia form), Weather Manipulation (when he entered Drum Island it stopped snowing for a few days by virtue of the ambient heat his elemental body released) and projectiles made of fire, Armament Haki boosts his offensive as well as defensive capability, and enables him to harm other logia fruit users
Physical strength: At least town+ level striking
Attack potency/Destructive capacity: At least city, likely higher (One of Whitebeard's top commanders, should scale from Sabo whom as a novice with the Mera Mera no mi destroyed Corrida Coloseum)
Durability: At least city, likely higher (fought Jinbei for five days and didn't go down, logia Intangibillity makes him very hard to kill unless circumvented)
Intelligence: High, a experienced and talented fighter.
Stamina: At least very high. Could continue fighting Jinbei for a week straight.
Range: Hundreds of meters
Weaknesses: Cannot swim and becomes immobilized if more than half of his body is covered in water, loses his powers and becomes helpless if more than half of his body is submerged in water. Seastone nullifies his powers. Apparantly Magma can directly harm him as it extiguishes his fire (As Akainu stated, but this can likely be because of difference in their power)
Standard equipment: Knife