second banana

English Thesaurus

1. someone who serves in a subordinate capacity or plays a secondary role (noun.person)

hypernym	:	foot soldier, subordinate, subsidiary, underling,
definition	:	an assistant subject to the authority or control of another (noun.person)

2. a performer who acts as stooge to a comedian (noun.person)

hypernym	:	performer, performing artist,
definition	:	an entertainer who performs a dramatic or musical work for an audience (noun.person)