Undergrowth is the ghost of all plant life. He possesses a strong hatred towards humans for destroying his children and planned to destroy humanity and spread his children across the planet.

Classification: Ghost, Plant

Powers and Abilities: Superhuman physical characteristics, ghost physiology(Has all of the standard powers and abilities of a ghost), plant manipulation(Can manipulate plant life, growing it at an accelerated rate and using to construct a body for himself), large size(Type 1; his average size is comparable to that of a building), elasticity(Can stretch his limbs), regeneration (High-Mid; Undergrowth's plant body possesses a natural form of regeneration that can recover from dismemberment and regeneration after he was blown to tiny pieces and his plants rotting away), sleep manipulation(Can release sleep spores from his body), power nullification (His plants blocked off Danny's ghost energy and negated his ability to turn intangible), mind manipulation(The mind vine allows him to control the inhabitants of an entire town), corruption(Type 1; His vines corrupted Sam and turned her evil), size manipulation (When Danny flew up to cloud height, Undergrowth grew in size to reach him), duplication (Can create duplicates of himself)

Attack Potency: At least Island Level+(Frostbite stated that Undergrowth is a powerful ghost. He and his plants are capable of harming Danny Phantom, who exactly a hundred times weaker than he wore the Ecto-Skeleton, which allowed him to contend with a full powered Pariah Dark, who in turn is likely superior to The Reality Gauntlet, which warped a portion of space a starry sky, which would be around this level of power)

Speed: At least Massively FTL(His plants allowed Sam to catch up to Danny Phantom, who moved faster than and dodged a ghost ray, which are considered light speed, and who is 10 times slower than when he wore the Ecto-Skeleton which at 10% was shown comparable in power to base Pariah Dark who performed this feat)

Lifting Strength: At least Class K(His vines are strong enough to lift construction vehicles with ease and toss them far distances, his vines are capable of restraining Danny Phantom, who easily caught and held up an occupied school bus)

Striking Strength: At least Island+(He and his plants are capable of harming Danny Phantom with their physical strikes), possibly Multi-Solar System level

Durability: Varies (His body was easily by Danny's energy based attacks throughout their entire battle but even after being weakened, it could stand up to Danny's physical strikes without being torn apart)

Stamina: Ghosts lack biological functions and don't feel physical fatigue, their natural ectoplasmic energy can be used as a constantly replenishing fuel source.

Range: Planetary with his plant manipulation(Spread his plants across Amity Park and planned on spreading them across the entire planet)

Standard Equipment: None notable

Intelligence: Average (Although he is overconfident, Undergrowth is capable of using his powers effectively in combat)

Weakness: Standard ghost weakness. He is weak to extreme cold, as it causes him to grow weaker and shrink in size.

Notable Attacks and Techniques:

•Plant Manipulation: Undergrowth can create and control plant life and producing a large amount of killer offspring. His very will and consciousness are inside all the plants he creates. He also has a plant known as the mind vine which is also inside his head, this plant can release enough vines that can attach themselves to everyone in an entire town or city and allow Undergrowth to control all of them at once. He also has plants that are even able to nullify Danny's ghost energy and his intangibility. Lastly, Undergrowth can release large amounts of sleep spores from his body to incapacitate multiple opponents at once.