Gekomon

Gekomon is a Champion Level Amphibian Digimon. Said to be the result of data from a famous piece of music, Gekomon have an interest in anything musical. The horn around his neck and the three holes on the tip of his tongue can make music that can influence the feelings of others. Gekomons live in rivers, lakes, but mostly swamps with Otamamons and their ruler, ShogunGekomon. Despite their looks, they can sing really well, and their singing has developed due to all the practicing when they were still Otamamons. It has a wiry body, along with a crazed look. Gekomon resemble frogs.

Digimon Adventure 02
A Gekomon is among the Digimon seen during the final battle against MaloMyotismon.

Digimon Tamers
A Gekomon is among the shadowed Digimon who want Rika Nonaka to tame one of them. One ends up in IceDevimon's collection. A village of them is enslaved by Orochimon until some of the Tamers free them. When Calumon meets and is chased by a Dogmon, a Gekomon and an Otamamon watch them.

Digimon Tamers: Runaway Locomon
A Gekomon is seen when Locomon returns to the Digital World.

Digimon Frontier
A drunken Gekomon works at the Fortune Teller Village. Some of them are at the Autumn Leaf Fair and the Great Trailmon Race. One has its Fractal Code absorbed by IceDevimon.

Digimon Data Squad
Ten years before the events of the series, Commander-General Homer Yushima and Kamemon fight and defeat some Gekomon in the Real World who are riding a roller coaster.

A Gekomon is among the many Digimon seen in the Holy Capital's arena. A Gekomon is seen in a glass stasis tube in the room where Relena Norstein is in.

Digimon Adventure V-Tamer 01
In one of Starmon's challenges in Star City, Zeromaru has to beat a Gekomon in a singing contest.

Digimon World
Gekomon are wild Digimon found in Geko Swamp.

In ShogunGekomon's house there are several Gekomon. One joins the Battle Arena which Greymon sets up when defeated.

Digimon World 2
Gekomon can digivolve from Otamamon and digivolve to ShogunGekomon.

Digimon World 3
Gekomon can be found in Asuka's South Sector, in the Bulk Swamps.

He is also available as a Blue Champion Card with 7/5.

Digimon World 4
Gekomon is seen in Venom Jungle.

Digimon World DS
Gekomon digivolves from Otamamon in the level 18, and can digivolve to Whamon in the level 38.

Gekomon also appears in Packet Swamp. Three Gekomon appear as ShogunGekomon's minions that the player fights.

Digimon World Dawn/Dusk
Gekomon digivolve from Otamamon is Lv. 18+ and 370 Aquan exp, and can digivolve to ShogunGekomon at level 32, friendship 70%, and Machine EXP 2900. They live in Loop Swamp.

Digimon World Championship
Gekomon digivolves to Whamon with 90 vaccine AP, Divermon with 60 virus, or ShogunGekomon if pass time.

Digimon Battle
There are multiple Gekomon is Gekomon Village. Gekomon is an NPC at shops, and an enemy Digimon able to be defeated. It drops Gekomon's Bubbles.

Attacks
 * Symphony Crusher (Crash Symphony): Destroys the enemy from the inside out with super-high frequency vibrations
 * Noisy Echo
 * Tongue Attack (ベロ攻撃)