Cleffa

Cleffa, known as the Star Shape Pokémon, is a Fairy-type Pokémon introduced in Generation II, with its debut in the Johto region. Its Pokédex number is 173, and it serves as the pre-evolution to Clefairy, evolving through happiness rather than the typical level-up method. This evolutionary method ties into the bonding mechanics introduced in the second generation, emphasizing player interaction and care.

Cleffa's design is inspired by a baby star, with its round body, pink hue, and ear-like appendages giving it an innocent and endearing appearance. The design choices reflect its fairy typing, which was retroactively applied to its original Normal typing after the introduction of Fairy types in Generation VI. This change added depth to its gameplay mechanics, providing it with resistances and strengths that were not initially available.

While Cleffa is not a starter or legendary Pokémon, its role as a baby Pokémon made it a unique addition to the Pokémon roster. Baby Pokémon were introduced in Generation II as a way to expand evolution lines and provide players with new challenges in breeding and training. Cleffa exemplifies this through its requirement for high friendship to evolve, encouraging players to nurture and bond with it.

Cleffa's enduring appeal across generations can be attributed to its role as a symbol of new beginnings in the Pokémon series. As an early introduction to the Fairy type, it provides players with an opportunity to explore new battle strategies. Its presence in multiple regions and games, from "Pokémon Gold and Silver" to "Pokémon Sword and Shield," highlights its staying power in the franchise.