Alien Type

The alien type is one of the twenty-one types. Most Pokemon in this type, as the name would suggest, are of extraterrestrial origin. Professor Palm of the Wepnon region studies these Pokemon and gives the player an egg that hatches into one early in Pokemon WholeOrange and UltraViolet.

Strengths

 * Normal
 * Dark
 * Psychic
 * Shadow

Not very effectives

 * Bug
 * Dragon
 * Fairy
 * Steel

Not effectives

 * None

Weaknesses

 * Fairy
 * Steel
 * Electric

Not very affecteds

 * Normal
 * Dark
 * Fighting
 * Poison

Not affecteds

 * Shadow

Pokemon

 * Cleffa, Clefairy, and Clefable (converted from Fairy to Fairy/Alien)
 * Elgyem and Beheeyem (converted from Psychic to Psychic/Alien)
 * Eteon (alien-type Eeveelution)
 * More to come!

Trivia

 * It is the only type so far that is strong against shadow and also the only one that is immune to it.
 * It is the only type so far that is both strong against and resistant to the normal type.
 * It is the only type so far that is strong against both psychic types and dark types.