Etemon

Etemon is a Puppet Digimon resembling a monkey puppet. His name comes from etekou, a Japanese word for personified monkeys.

Etemon is an Elvis impersonating rock star with a massive superiority complex. He refers to himself as the "King of Digimon" or the "Strongest Digimon Ever". His form is a humanoid literally wearing a monkey suit with sunglasses and a Monzaemon beanie strapped to his waist. It is said that his rival is Volcamon, as both of them like to sing.

Digimon Frontier
An Etemon is seen working at the Autumn Leaf Fair during the Digidestineds' first visit, and another appears at Digitamamon's diner.

Digimon Adventure: Anode/Cathode Tamer
Etemon is one of the bosses Ryo must defeat to rescue the Digidestined. He must defeat Etemon again before fighting either Machinedramon or Kimeramon before battling Millenniumon.

Digimon World
Etemon lives in a tree house near Kunemon's Bed. When the city's prosperity point reaches 50, he will attack you if you knock on the door and can be recruited when he is defeated. He will hang out around Digital Bridge and sell Gold Bananas for 50,000 bits. Rumor has it, that Etemon will sell you a Metal Banana, after you've bought a certain amount of Gold Bananas

Digimon World 2
Etemon digivolves from Ogremon and digivolves further to MetalEtemon. Also appears as a boss Digimon on the eleventh mission and can be found in the wild in multiple domains afterwards.

Digimon World 3
A random foe in South Badland. Found on the Duel Island.

Digimon Digital Card Battle
Etemon belongs to the Rare card group.

Digimon Battle Spirit
Etemon digivolves from Sukamon.

Digimon World DS
Etemon digivolves from Ogremon and digivolves to MetalEtemon or Piedmon.

An Etemon can be found in Tropical Isles.

Digimon World: Data Squad Etemon can be found in the Doomsday Foorest. Whenever he appears, the battle music changes.

Digimon World Dawn/Dusk
Etemon digivolves from Minotarumon at LVL34 and further digivolves into MetalEtemon at LVL46. Etemon can also be found in the Proxy Island area.

 Attacks 
 * Dark Network (Dark Spirits): Creates an orb of negative energy and hurls it at enemies.
 * Concert Crush (Love Serenade): Sings to make other Digimon weak and/or De-Digivolve or to deflect attacks.
 * Monkey Claw (Grateful Knuckle): Scratches enemies with his claws.