Answer: cheshirecat

AnswerCrossword Clue
CHESHIRECATCharacter who vanishes and reappears
CHESHIRECATMersey swimmer?
CHESHIRECATFeline who said "We're all mad here"
CHESHIRECATFictional character known for its mischievous grin
CHESHIRECAT"Alice in Wonderland" critter known for disappearing
CHESHIRECATWonderland vision.
CHESHIRECATA disembodied smile
CHESHIRECATFictional feline
CHESHIRECATRichard Arlen role: 1933
CHESHIRECATFictional critter known for its grin
CHESHIRECATHe fades with a smile