Trombone Dixie was created in 1990.
Blue Trombone was created in 1957-04.
Soul Trombone was created on 16-11-15.
The Island of Dr. Trombone was created in 2000.
Trombone Trouble was created on 1944-02-18.
Sol's Rusty Trombone was created on 2007-03-20.
La Femme Trombone was created on 2002-09-01.
Secret Crush on the Third Trombone was created in 2002-06.
No one person "created the trombone". The word "trombone" itself comes from the Italian and means "large trumpet." The original English word for the instrument was "sackbut" (etymology uncertain, but probably related to a word meaning "to pull or draw").
Bb and Eb
Typically, trombone players play trombone. Sometimes, trumpet players will attempt to play the trombone. They often must rely on valve trombones since the valve system is the same between the two instruments.
Trombone is trombone in Italian.