Answer: oldbat

AnswerCrossword Clue
OLDBATEccentric geezer
OLDBATDracula's mother-in-law?
OLDBATGrimalkin
OLDBATHag
OLDBATBiddy
OLDBATHarridan
OLDBATAntique Louisville Slugger or derogatory name for grandma
OLDBATDracula's forebear?