Rex Mix was created in 1991.
DYNOmite!
Rex Balsom was created in 2002.
Tyrannobdella rex was created in 2010.
Subaru Rex was created in 1972.
Rex Hospital was created in 1894.
Amphecostephanus rex was created in 1912.
Anonymous Rex was created in 2004.
Comic Rex was created in 2005.
Rex-Acme was created in 1899.
REX OS was created in 1999.
Ubu Rex was created in 1991.
Rex Features was created in 1954.