From Longman Dictionary of Contemporary Englishrejoice in the name/title (of) somethingrejoice in the name/title (of) somethingBritish EnglishNAME OF A PERSON to have a name or title that is silly or amusing He rejoices in the name of Pigg. → rejoice
Examples from the Corpus
rejoice in the name/title (of) something• This hotel looked older and rejoiced in the name of the Lion's Cub. 