Phantom (EM being)

Phantom (ファントム), known as Ghost (ゴースト) in the anime, is an UMA and a tactian of Mu from the Mega Man Star Force series.

Mega Man Star Force 2
Phantom was given to Hyde by Dr. Vega alongside an ancient Star Carrier so they can EM Wave Change into Dark Phantom. Later, multiple Phantoms are created by Le Mu to terrorize the population of Earth.

Shooting Star Rockman Tribe
Ghost searches the OOPArts with Hyde.