Oh, you guessed it right ... the tuna fish!
Fish
Because of all the seaweed.
The Sel-Fish
An AT-STD.
It's going well I guess. It has its usps and it's downs. Edited for correctness
Jury Foreman: Well...I guess I just look right at him. Why -- isn't that how you do it
Tulips on an organ. Edit: accidentally a letter.
A-flat minor (or a broken piano)
A: You can tune the lawnmower and the owner's neighbors don't mind if you don't return the sax when you borrow it.
You can tune a guitar but you can't "tuna"fish!
Because they don't swim in pairs. Are there two of those fish? Nahhh.
You can tuna piano, but you can't piano tuna. ... What about the pot of glue I knew you'd get stuck.