Clone allies gain 30% Critical Chance, and other allies gain half that amount. Cody gains 50% Defense for each living Clone ally. Other clone allies gain half this amount.
Also considering next gen buffs, adding something to his aoe cannon ability along the lines "If this ability is on cooldown, Clone allies gain 30% Offense, otherwise they gain 25 Speed.
This would address many of the issues with clones from their poor speed and survivability, to lack of damage. Start off with some speed boost that switches later to offense. Defense also dwindles as the match goes on.