It is not known to evolve into or from any other Pokémon.
Duplicat can be used to breed with any species of Pokémon to produce an egg of that same species.
Pokédex entry
Pokédex entry
This Pokémon has the ability to create an identical copy of itself or its opponent. These copies only last a few minutes before fading away.
Biology
Physiology
Duplicat's body resembles a stubby, stylized cat with four eyes. Its mouth resembles the lowercase Greek letter omega, while its tail resembles the uppercase omega.Ω, lowercase: ω
Duplicat is the only Normal-type Pokémon that is not part of an evolutionary line.
Duplicat replaced Ditto in earlier versions of the game.
Design origin
Duplicat is loosely based on a cat. Its face resembles the "cat smile" emote (:3), and its tail is shaped like either the numeral '2', the capitalized Greek letter omega (Ω), or an outline of a tail.