Rapper Coolio pleaded guilty to a charge of being a felon in possession of a firearm and was sentenced to 10 days in jail and 40 hours of community service. Coolio, 35, whose real name is Artis Leon Ivey, Jr., also was placed on two years probation Wednesday by Superior Court Judge Andrew Kauffman in Torrance, Calif. Coolio has a 1994 conviction for carrying a concealed firearm.