A pseudonym, stage name, or nom de plume meant to obscure one's Jewish heritage.
Jon Stewart: jewdonym of Jon Leibowitz
Natalie Portman: jewdonym of Natalie Hershlag
Jason Alexander: jewdonym of Jason Greenspan
Woody Allen: jewdonym of Allen Stewart Konigsberg
Paul Stanley: jewdonym of Stanley Eisen
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)