Either a dagger or a dirk.
A stone knife possibly.
a fake wooden knife :)
The name of the person who invented the first knife is lost to history. People were using sharpened animal bones and rocks as knives long before humans had learned how to write.
A Bowie knife is a style of fixed-blade knife first popularized by Colonel James "Jim" Bowie in the early 19th Century. It was first made by James Black, although its common use refers to any large sheath knife with a clip point.The Jim Bowie knife first became famous due to Bowie's use of a large knife at a duel known as the Sandbar Fight. The knife pattern is still popular with collectors, in addition to various knife manufacturing companies there are hundreds of custom knife makers producing Bowies and variations.
A whittling knife?
A palette knife.
obsidian knife
The back of a knife is called the bolster.
A bayonet is the name of a knife attached to the barrel of a rifle.
Another name for a soft knife would be soft knife an a straight knife.Maybe even a rounded knife
The knife used in the Rambo film series is commonly referred to as the "Rambo knife." Specifically, it is a large survival knife designed by Hollywood knife maker Jimmy Lile for the original movie "First Blood." The knife features a sawback, a hollow handle for storing survival gear, and a distinctive design that has become iconic in popular culture.
A throwing knife[EDIT] There is also the tactical knife attachment for handguns and the regular melee knife. If you are asking for the real knife name then the name of the knife is tatang combo edge knife by blackhawk here is the link http://www.copsplus.com/prodnum7216.php