Danny Phantom 46 043





Hair Color

Dark green

Eye Color

Ruby red






Danny, fire, Sam


Plants, Sam (Once)

Undergrowth is a villain who appeared in Season 3 of Danny Phantom. He wants to wipe aside humanity for their destruction over nature. He's extremely powerful and almost impossible to defeat by conventional means.


Urban Jungle

Undergrowth is a character who first appeared in Urban Jungle. Angered that the people of Amity Park were destroying his children for urbanization, he attacked and used mind vines to turn everyone into his slaves. With Sam turned into his daughter, he had her attack Danny. However, Danny managed to escape with his new ice power, despite a lack of practice with that ability. Sometime later, Danny returned, having finally mastered his ice power thanks to Frostbite. Using it, he managed to destroy Undergrowth's new plant world by defeating Undergrowth. Undergrowth was reduced to a shrub and destroyed by Tucker's lawn mower.

Phantom Planet

Undergrowth's next and final appearance was in "Phantom Planet". He first appeared earlier, when Danny battled him in an attempt to prove his superiority to the Masters Blasters, only to fail and for them to capture Undergrowth. Undergrowth later appeared as one of the billions of ghosts who agree to help Danny save Earth from the asteroid called the Disateroid.

Boxed Up Fury

He has also done a cameo in Boxed Up Fury, in which the Box Ghost finds a reward for Undergrowth, claiming he's an overgrown ficus.


Undergrowth regards plants over all life. To him, they are his children. He sees humans as fragile, temporary lives that won't last long; "Humans are merely a temporary weed in the garden of life... a weed that can be removed." He prefers using humans to do his dirty work. However does show some respect to humans who want to help nature, such as rebirthing Sam as his daughter. He is also very proud of his own power, especially regeneration.


Undergrowth is easily one of the strongest ghosts ever. Many of his powers are derived from his control over plants.

  • Chlorokinesis: As the ghost of plants, Undergrowth can completely control all types of botanical life. He can also manipulate them and speed up their aging process, causing, for example, acorns to become fully grown trees in seconds, and a city to transform into a jungle in a few hours. These plants are shown to be directly linked to him, as when he was defeated, they die. His control is presumably on a global level.
    • Plant Creation: Undergrowth is able to create and manipulate all types of different plants, to the point where he can create new types of plants, never seen before, like giant venus flytraps and giant cactus men.
  • Sentience Infusion: Able to make plants able to sense, see and move on their own, although he can still control them, if the need arises.
  • Mind Control: Undergrowth can use mind vines to take control of humans, and also brainwash humans to join him, while retaining their personality, only becoming his minion. It may derived from his overshadowing.
  • Size Enhancement: He has shown that he is able to grow to enormous sizes in seconds.(probably because he is a plant himself)
  • Intangibility: Basic ghost power.
  • Regeneration: He is one of a small number of ghosts that can easily regenerate lost body parts and reform after being blown or shattered into pieces.
  • Elongation: Undergrowth can stretch, bend, and twist as necessary.
  • Supernatural Strength: Undergrowth is capable of ripping solid concrete like paper, crushing trucks like tinfoil and bring down entire buildings with nothing but his might.
  • Spectral Body Manipulation: Undergrowth is able to manipulate the vines wrapped around his body, and use them as extra limbs. His vines are strong enough to easily crash trucks and cars and hold ghosts, as Danny's strength couldn't even tensed them. His vines can also control ghost energy, as Danny couldn't use his energy blasts or intangibility.
  • Spike Generation: Besides of having them on the vines that surround his body, he can throw them as projectiles, and they are strong enough to pierce concrete and brick walls.
  • Spore Generation: He is able to produce spores that put others to sleep.
  • Root Form: He is able to sink into the Earth then regrow in a different place, thus giving him a sort of teleportation.
  • Duplication: He could cause multiple versions of himself to grow, providing him with duplicates, only they all shared one mind.
  • Power Sharing: He can infuse other creatures, be it humans or ghosts, with some of his powers.


His main weaknesses is extreme cold and assumable fire. Danny's freeze powers weakened Undergrowth completely. His roots and brain are also his main weak spot. Also, when destroyed he will revert into a weed-like state that might take a long time to return to normal. When last seen at the end of Urban Jungle, he had managed to regenerate into a small, rudimentary form, only to be reduced to mulch by Tucker's lawnmower.




Despite his hatred of humans, Undergrowth did sense that Sam was helping nature, as such he rebirthed her through unknown means, and remolded her mind, to think him as a father, while she did not remember anything after her liberation, she still might have some powers left from Undergrowth's influence, though this is unconfirmed. During her rebirth she is noticeably different: having a deeper voice, eyes glowing green, and having control over plants.


Undergrowth has thousands of children that are plants, it is unknown if he is an actual plant when alive or if he is a spirit of Earth like the Fright Knight is of Halloween. He seems to have complete control of their minds and abilities.


Danny Phantom

Undergrowth sees Danny as a threat for his goals of world domination, as such he wants to feed him to his children.


Though they never met, Frostbite is, indirectly, responsible for defeating Undergrowth, since he trained Danny in the use of his ice powers, and may have a chance against Undergrowth himself seeing as he can also control ice to a better extent than Danny can.


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