Prior to Generation 6, Clefairy was a Normal type Pokémon.

Prior to Generation 6, Clefable was a Normal type Pokémon.

Prior to Generation 6, Jigglypuff was a pure Normal type Pokémon.

Prior to Generation 6, Wigglytuff was a pure Normal type Pokémon.

Prior to Generation 2, Magnemite was a pure Electric type Pokémon.

Prior to Generation 2, Magneton was a pure Electric type Pokémon.

Prior to Generation 6, Mr. Mime was a pure Psychic type Pokémon.

Prior to Generation 6, Cleffa was a Normal type Pokémon.

Prior to Generation 6, Igglybuff was a pure Normal type Pokémon.

Prior to Generation 6, Togepi was a Normal type Pokémon.

Prior to Generation 6, Togetic was a Normal-Flying type Pokémon.

Prior to Generation 6, Marill was a pure Water type Pokémon.

Prior to Generation 6, Azumarill was a pure Water type Pokémon.

Prior to Generation 6, Snubbull was a Normal type Pokémon.

Prior to Generation 6, Granbull was a Normal type Pokémon.

Prior to Generation 6, Ralts was a pure Psychic type Pokémon.

Prior to Generation 6, Kirlia was a pure Psychic type Pokémon.

Prior to Generation 6, Gardevoir was a pure Psychic type Pokémon.

Prior to Generation 6, Azurill was a pure Normal type Pokémon.

Prior to Generation 6, Mawile was a pure Steel type Pokémon.

Prior to Generation 6, Mime Jr. was a pure Psychic type Pokémon.

Prior to Generation 6, Togekiss was a Normal-Flying type Pokémon.

Prior to Generation 5, Heat Rotom was a Electric-Ghost type Pokémon.

Prior to Generation 5, Wash Rotom was a Electric-Ghost type Pokémon.

Prior to Generation 5, Frost Rotom was a Electric-Ghost type Pokémon.

Prior to Generation 5, Fan Rotom was a Electric-Ghost type Pokémon.

Prior to Generation 5, Mow Rotom was a Electric-Ghost type Pokémon.

Prior to Generation 6, Cottonee was a pure Grass type Pokémon.

Prior to Generation 6, Whimsicott was a pure Grass type Pokémon.