A Cherubi that can be obtained if you give a Tiny Bauble* to a HGSS or HGSS2 Cherubi. There is a 10 percent chance of it becoming a shiny. They have a nature specific to this event Pokemon, which is Festive, unless it is shiny then its is Cupid. They also got a special personality! A normal one got "Always in good cheer," while shines have "Brings couples together." The non-shiny version is supposed to represent Holly, while the shiny version represents Mistletoe.
- Tiny Baubles were available during the Holiday 2011 event. They were automatically attached to any Holiday Gift Service presents a user sent to another.
(Source)