Kecleon alters its body coloration to blend in with its surroundings, allowing it to sneak up on its prey unnoticed. Then it lashes out with its long, stretchy tongue to instantly ensnare the unsuspecting target. It changes its shading to match its surroundings so it can sneak up on prey. Only its belly patterns stay fixed. It can freely change its body’s color. The zigzag pattern on its belly doesn’t change, however.
Pokédex entry #352
Kecleon is a type normal Pokémon that doesn't evolve
Kecleon in Pokémon GO
It's possible to hatch Kecleon from an egg?
No, Kecleon can't be hatched.
Which are Kecleon’s strengths and weaknesses?
Kecleon is a normal type Pokémon. normal type pokémons but weak against rock pokémons. They are not affected by ghost type pokémons.