Just for fun, some people being strange way before Gaga :B
Spoiler:
Cher (1963 - present)
David Bowie (1964 - present)
Elton John (1964 - present)
Elke Maravilha (1970 - present)
Ney Matogrosso (1971 - present)
Grace Jones (1973 - present)
Björk (1977 - present)
Madonna (1982 - present)
Mylène Farmer (1984 - present)
Gwen Stefani (1986 - present)
Thalía (1991 - present)
Mónica Naranjo (1994 - present)
Beyoncé (1997 - present)
Ayumi Hamasaki (1998 - present)
Christina Aguilera (1998 - present)
Hikaru Utada (1998 - present)
Joelma (1999 - present)
All of those looks where used before Gaga was famous