The "Real Square"

Detective G. Omitree is investigating the death of Mr. Circle. There was a note left at the crime scene stating that the killer was a "Real Square". The detective needs your help in solving this murder. Can you figure out who the "Real Square" is?

[b]Directions:[/b] Move the vertices of the shape around to determine what kind of shape it is. Drag and drop the names from the word bank onto the matching shape. Always choose the most specific name for a given shape. When you have matched all of them call me over and I will check it.