Because Smiley lives in the house, she is often gets to overhear juicy gossip which she delights on distorting for her own amusement when she passes it on to the ponies.

Her devious qualities are usually defeated (eventually!)

Smiley spends whole day lounging around; thinking, spying and observing, rather than being lazy (although she can’t resist chasing butterflies if no-one is looking!)