Assertion: robin | /r/Synonym | batman's sidekick
Facets:
Source sentences:
text: Although Robin is best known as Batman's sidekick, the Robins have also been members of the superhero groups Teen Titans (with the original Robin, Dick Grayson, as a founding member and the latter group's leader) and Young Justice.
text: Although Robin is best known as Batman's sidekick, three Robins have also been members of the superhero group the Teen Titans with the original Robin, Dick Grayson, being a founding member and the group's leader.