Is Peter (wormtail) a pure blood?

[vmonte]

No: HPFGUIDX 88003

Sorry if this is mentioned in one of the books and I never caught it.
Is Peter a pure blood or a "mud blood?" 

The only reason why I ask is that Collin Creevey sort of reminds me 
of Wormtail.  In Snape's pensieve scene Peter seemed to worship and 
idolize James, much like Collin venerates Harry. 

Collin reminds me of a stalker.  You know those crazy fans that at 
first idolize a person (movie star, TV personality, famous wizard, 
etc.) but then inexplicably turn against their idol. 

Peter venerated James at first....