Phantom Slayer happened in 1982.
Phantom Crash happened in 2002.
Fleet Street Phantom happened in 1993.
Slayer was formed in 1981.
Scarecrow Slayer was created in 2003.
A new slayer is only called when the current slayer is killed. Therefore, Buffy had already died at this point and a replacement slayer had been called for her previously.
Phantom Slayer was created in 1982.
Phantom of Inferno happened in 360.
Phantom Breaker happened in 2011.
Phantom Fighter happened in 1989.
Phantom Club happened in 1987.
Phantom Dust happened in 2004.
Return of the Phantom happened in 1993.
Phantom Brave happened in 2004.
The Phantom of Venice happened in 2008.
Phantom Crash happened in 2002.
Fleet Street Phantom happened in 1993.
Operation Phantom Linebacker happened in 2004-08.