i think it is a misericord
The name of the Roman dagger was pugio.
The wavy bladed Malaysian dagger is called a Kris or Keris.
"Chelsea Dagger" by The Fratellis
A small dagger is a stiletto.
A dagger esp as formerly worn by Scottish Highlanders is called a dirk.
The accepted scientific name is Acronicta lepusculina.
There is no known public figure or well-known individual by the name of Bill Waggle Dagger. It is possible that this name is fictional or not widely recognized.
A dirk is a kind of dagger.
Either a dagger or a dirk.
dirk
kaiken
Claws of Riddick Dagger