Weedle is a small larva Pokémon with a segmented body ranging in color from yellow to reddish-brown. Combined with its red nose and feet, Weedle's bright coloration wards off its enemies. Weedle has a conical, two-inch venomous stinger on its head and a barbed one on its tail, but its other body parts are spherical.
Weedle can retaliate against attackers and those who step on it with its strong toxin. It can distinguish its favorite kinds of leaves using its acute sense of smell. As a young Bug Pokémon, its daily appetite for leaves matches its weight. Weedle can be found in forests and usually hides in grass, bushes, and under the leaves it eats.
Weedle has the lowest base stat total of all Poison-type Pokémon.
Weedle is the only Pokémon that cannot learn any Normal-type moves.
Unown's sole move—Hidden Power—cannot deal Normal-type damage, but it is technically a Normal-type move.
Prior to Generation VI, Weedle's body style was .
Weedle was the inspiration for the naming of Stentorceps weedlei, a species of wasps. Both Weedle and Stentorceps weedlei exhibit the distinctive feature of having a spine in the middle of the organism's head.