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"Will you be my friend?"

Klemper is a minor recurring ghost in Danny Phantom. He is always seen begging for friends. Like the Box Ghost, he is usually comedic relief, but his appearances are much rarer.


Previous Life

Due to his freezing powers, Klemper may have died of hypothermia. Also, his pajamas and scary looks could be a sign that he was lonely when he was living and desperately wanted a friend back then too. If this is the case it would make him very similar to Casper the Friendly Ghost, as they both died of hypothermia, are friendly, are misunderstood, and both long for friends. Also, it seems very possible that he might have been a Special-Eds kid in life.

Current Life

Klemper, in his first appearance, pops out of nowhere as an opponent during the beginning minutes of "Fanning the Flames." Despite Danny's initial struggle with the pajama-clad ghost, Klemper exhibits Casper's goal and just wants a friend. Danny anyway throws Klemper back in his realm, where he is rejected by a penguin. He is seen again in the ending attempting to befriend Ember McLain (who had been defeated earlier), but fails.

Klemper appears in "Reign Storm" as one of the ghosts who flee from the Ghost Zone after the attack of Pariah Dark. He tries to befriend the Box Ghost, but once again does not succeed. He is the only non-villain ghost to fight Pariah's soldiers in this episode.

Klemper reappears in "Secret Weapons." He had frozen Floody Waters and Jazz, who calls Klemper "Friendly Fiend", tries to assist Danny, Sam and Tucker in hunting him, but ends up throwing them in the middle of the ice, allowing Klemper to escape. Klemper is then seen with Vlad, who yells to him that he will not be his friend and throws him in the Ghost Zone afterwards.

Klemper appears three times in "Phantom Planet." He is first seen flying outside of Danny's window being chased by the Masters' Blasters, then he is seen screaming due to being trapped inside of the Fentons' Ghost Net, and finally he is seen with the other ghosts trying to save the world.

Personality and characteristics

Klemper has a deep necessity for friends, but his creepy and stalker-ish demeanor to get one hasn't bode well for him, causing him to remain alone and desperate. He has a slurred speech but has a friendly demeanor. When he's feeling antagonized, he retaliates with his ice-based attack. Klemper wears a striped pajama outfit, and has icy blue skin and blonde hair.

Powers and Abilities

  • Standard ghost powers: as any other ghost he has invisibility, intangibility and floating
  • Cryokinesis: his main power is the cryokinesis which he uses in the form of
    • Ice Breath: he can freeze everything with his breath
    • I​ce Balls: he can create ice balls with his hands and use them as a attack
  • Superhuman Strength: mostly due to his size, he is strong enough to easily overcome Danny in their first fight.


Season 1

Season 2

Season 3


  • Klemper appears to be more of an annoyance than a villain, as in every appearance he makes he is usually trying to make friends.
  • Klemper is one of the few ghosts in the series that is neither a villain or an ally.


S02e01 Sam's photo album
Click here to view the gallery.

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V - E - H - DCharacters in Danny Phantom
Danny Phantom | Jack Fenton | Jazz Fenton | Maddie Fenton | Sam Manson | Tucker Foley
Archer Ghost | Bertrand | Box Ghost | Bullet | Clones of Danny | Dan Phantom | Desiree | Elastica | Ember McLain | Executioner Ghost | The Extreme Ghostbreakers | Eyeball ghost | Femalien | Freakshow | Fright Knight | Ghost Snake | Ghost Worm | Ghost Writer | The Groovy Gang and Scaredy Cat | Guys in White | Hotep RA | Johnny 13 | Kitty | Lunch Lady Ghost | Lydia | Masters' Blasters | Medusa | ‎Monster Cat | Nightmerica | Nocturn | Pariah Dark | Pariah's soldiers | Penelope Spectra | Prince Aragon | Shadow | Skulker | Skulktech 9.9 | Sleepwalkers | Technus | Terminatra | Tucker Phantom | Undergrowth | Vlad Plasmius | Vortex | Vulture Ghosts | Walker | Youngblood | Youngblood's Assistant
Clockwork | Cujo | Dani Phantom | Frostbite | Pandora | Princess Dorathea | Wulf
Other Ghosts
Amorpho | Behemoth | Box Lunch | Crystal Leviathan | Dairy King | Ember's Ghost Band | Empress She-Wolf | Ghost Snake | Ghost Wolf | Ghost Zone Police Department | Klemper | Observants | Poindexter's classmates | Scarlet Samurai | Sidney Poindexter
Other Humans
Alicia | Casper High lunch lady | Connie | Damon Gray | Dumpty Humpty | Harriet Chin | Hobson | Ida | Irving Burns | Jasper | John Fenton Nightingale | Lance Thunder | Madam Babazita | Mayor Montez | Mr. Falluca | Mr. Lancer | Nate | Principal Ishiyama | Sam's Parents | Ms. Tetslaff | Tiffany Snow | Tracey | Tucker's Parents
Ashley | Blond male student in green sweater vest | Blue capped male student in orange | Boy with purple hair | Brittany | Dale | Dash Baxter | Elliot | Girl with braces | Hannah | Jock with braces | Kwan | Male student in flash jersey | Male student in red stripes | Male student with green beanie | Mia | Mikey | Nathan | Paulina | Rebecca | Red hoodie male student | Ricky Marsh | Sarah | Spike | Star | Tiffanie | Valerie Gray
Delilah | Maddie the cat | Pookie

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