copycat
noun
Definitions
One who imitates or plagiarizes others' work.
A criminal who imitates the crimes of another; specifically, a criminal who commits the same crime, especially a highly-publicized one, that has just been or recently committed by someone else.
Example: a copycat strangler
verb
Definitions
To act as a copycat; to copy in a shameless or derivative way
adjective
Definitions
Imitative; unoriginal.