Infernape is based upon the ape as cleared from its name. Its color is brown and it has flame over its head. A brown tail is also present. Its fist resembles the man's fist having power to use fighting type moves. It has several gold plates that cover its body on its shoulders, wrists, knees, and chest. Infernape's arms, legs, and tail are a dark brown color while its upper body, forelegs, and head are white. It is the fastest starter of the Sinnoh starters last evolutions. It has brown ears but inside its blue. Its feet are white but the toes are blue.
Infernape seems to be very energetic Pokémon as seen in anime. It never gives up. It is very loyal to its trainer and tries harder to win.
Infernape gets blazed when its HP gets lower than 1/3 which, increase its attack. It can learn high power fighting and fire type moves like Close Combat and Flare Blitz.
Infernape, along with Chimchar and Monferno, are the first monkey-like Pokémon to be of a type, being primarily Fire Type, other than Fighting and Normal.
Infernape is the shortest of all the final form starter Pokémon, with 3 ft. 11 in.
Infernape is loosely based on the character Son Gokū (hence its Japanese name "Goukazaru"), the "Monkey King"
Infernape is the only fully evolved Sinnoh Starter not to have a unique type combination, as Torterra is Grass/Ground type, while Empoleon is Water/Steel type. It shares its type with Blaziken and Emboar. It is also the only fully evolved Sinnoh starter not to be immune to Sandstorm, as Torterra is part Ground, while Empoleon is part Steel. It is also the only fully evolved Sinnoh starter not to have an immunity, as Torterra is immune to Electric attacks, while Empoleon is immune to Poison attacks.
Despite it having the word ape in its name, it has a tail as to real apes do not.
Despite its HeartGold and SoulSilver entry implies, Infernape cannot learn Agility.
Infernape received its name from the words "Inferno" which means fire and "Ape" which means tailless monkey even though Infernape has one. Its Japanese name Goukazaru (ゴウカザル) is reference to the Japanese name of Sun Wukong, the Monkey King (whom this Pokémon is based on) from "Journey To The West", Son Gokū.