Gloom

Gloom is a Grass/Poison-type Pokémon introduced in Generation I, known as the Weed Pokémon. It evolves from Oddish at level 21 and can further evolve into either Vileplume using a Leaf Stone or Bellossom using a Sun Stone, depending on the trainer's preference. Gloom is typically found in grassy fields, forests, and swamps, often lurking in shaded areas. Its most distinctive characteristic is the perpetually oozing, foul-smelling nectar that drips from its mouth, which it uses to attract prey and deter predators. Despite its pungent odor, which can be smelled from over a mile away, Gloom's nectar contains potent toxins that can induce paralysis or extreme drowsiness. In the wild, Gloom are generally docile but will release their potent stench when threatened. They are nocturnal, often resting during the day and becoming active at night to release their pollen, which helps fertilize plants. In the Pokémon games, Gloom is a reliable early-game Grass-type, often utilized for its status-inflicting moves like Sleep Powder and Stun Spore. In the anime, Gloom has appeared in various episodes, often depicted with its signature drool and odor, sometimes causing comedic situations due to its smell. Its dual Grass/Poison typing gives it advantages against Water, Grass, Electric, and Fighting types, but makes it vulnerable to Fire, Ice, Flying, and Psychic attacks. Gloom's evolution line represents one of the earliest branched evolutions in the Pokémon series, adding strategic depth to team building.