Serebii.net  

 Past Promotional Pokemon.  

First Week - Metallic Horsea

Second Week - Shiny/ Normal Riolu

Third Week - Shiny/ Metallic Stantler

Fourth Week - Shiny/ Normal Delibird

Firth Week - Shiny Ponyta

Sixth Week - Shiny/ Normal Kabuto

Seventh Week - Shiny Duskull

Eighth Week - Shiny/ Normal Caterpie 

Ninth Week - Shiny/Normal Absol