Proper noun
Jo-Anne
A female given name from Hebrew, one of the 20th century spelling variants of Joanne.
Acting Labour Commissioner, Mrs. Jo-anne Hodge, said in part: “I would like to thank the Anguilla Amateur Athletic Association for having another Fun Day despite the difficult circumstances, and I am very glad to see all of you here today.” Source: Internet
Lynne and Jo-Anne have even named their movement; "duoism". Source: Internet