agents animators doers force goers motivators powerhouses dynamos entrepreneurs fireballs organisers activists workers hustlers achievers organizers dancers racers runners sprinters trotters walkers advocates initiators introducers presenters proposers sponsors authors creators originators fathers founders architects inventors begetters designers makers establishers generators devisers institutors producers inaugurators planners instigators engineers sires mothers framers fabricators parents cause drives masterminds developers contrivers pioneers builders innovators formulators composers discoverers brains constructors neoterics forefathers shapers patriarchs artists spurs manufacturers writers artificers fashioners managers directors experimenters scientists boffins coiners ancestors lords forebearers patrons beginners operators manipulators manoeuvrers fraud scoundrels operatives performers executors instruments actors catalysts officers perpetrators vehicles