Red slug was created in 1758.
Metal Slug was created in 1996.
Black slug was created in 1758.
Ghost slug was created in 2008.
Spanish slug was created in 1855.
Kerry slug was created in 1843.
Slug Line was created in 1979-01.
Common Slug Snake was created in 1839.
Metal Slug Advance was created in 2004.
Spotted Slug Snake was created in 1868.
Albino Slug was created on 2008-09-17.
Slug - song - was created on 1995-11-06.
Spiny oak slug was created in 1832.