Answer: mortimer

AnswerCrossword Clue
MORTIMERFirst name of a radio blockhead.
MORTIMERRadio character.
MORTIMER... Snerd.
MORTIMERCharacter in "King Henry IV."
MORTIMEREarl of March
MORTIMEROne of Bergen's dummies
MORTIMEREdgar Bergen dummy ... Snerd
MORTIMER... Brewster, beleaguered nephew in "Arsenic and Old Lace"
MORTIMER... Brewster, "Arsenic and Old Lace" role
MORTIMERBergen's Snerd