|Television appearance||Martin Tentacles|
|Film appearence||Martin Tentacles: The Movie|
|Inspiration|| Ren Hoek|
|Voiced by||Nathan Lane|
|Full name||Gunther "Hofferson Nicodemus" Banana|
|Personality||Greedy, evil, mischievous, arrogant, rude, mean, selfish, stubborn, comedic, villainous, dim-witted (at times)|
|Alignment||Bad (sometimes Good)|
|Appearance||Slender, banana-like, blue sweater, red pants|
|Goal|| Kill his father and achieve his world domination (failed; formerly)|
Trick Martin to turn animals into gremlin-like creatures (succeeded)
Cause the Apocalypse (also succeeded)
To kill Martin for his betrayal (failed)
|Relatives|| Ma (mother; deceased)|
Little Brother (younger brother)
|Allies||Gunther, Martin, Ma, Roward (formerly)|
|Enemies||Martin (sometimes), Ma (briefly), Roward, The Agent, Emperor Victor, Bulldogs|
|Likes||Chocolate, Martin (formerly), being at home, playing videogames, being a loser (sometimes), eating junk food|
|Dislikes||His mother (briefly), his brother's stupidity, Martin in trouble, being rejected, being treated like a kid, betrayals|
|Powers and Abilities||Super-strength, morphing abilities, speed|
|Weapons||Teeth, claws, bare fists|
Thrown into the Void by Martin and forced to live with his sister, defeated (series' finale).
|Quotes||"I already given you freedom".|
Gunther Banana is one of two secondary antagonists (sometimes both the deuteragonist and anti-hero) of the animated television series, Martin Tentacles.
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