why this guy got so much names

my ex dm edgardo torres use different names and i dont know why in court, in his life,even at some different clients too.

example of all his names

edgardo ivan torres robles-he use in a court case against luz selenia nieves crespo

edgardo luis torres padilla-he uses too at a drug case his "beloved son" got in 2004

edgardo j. torres robles-he said that in ponce municipal court

edgardoi. torres robles

edgardo torres robles

edgardo torres roble-he said that to the local hatillo police

any person who help me why he do that

i smell fraud people....