No they,are not some are tested on but they are not scientifically createx
The White Rats was created in 1900.
Frankenstein was not scientifically created - his monster was however.
To the Rats was created in 2007.
City of the Rats was created in 2000.
Rats in the Cellar was created in 1976.
The Boomtown Rats was created in 1975.
Two Rats was created in 1884.
War of the Rats was created in 1999.
The Rats - novel - was created in 1974.
As Rats in the Basement was created in 2003.
The Rats in the Walls was created in 1924-03.
Street Rats was created in 1975-02.