Antaeus
Atlas
Briareus
Brobdingnagian
Charles Atlas
Cyclops
Goliath
Hercules
Polyphemus
Samson
Superman
Tarzan
Titan
activist
atomic power plant
ball of fire
beaver
big-time operator
bully
bullyboy
bustler
busy bee
central station
colossus
doer
eager beaver
enthusiast
giant
go-getter
gorilla
human dynamo
hustler
hydroelectric plant
live wire
man of action
man of deeds
militant
muscle man
new broom
operator
political activist
power plant
power station
stalwart
strong man
strong-arm man
take-charge guy
the mighty
the strong
tough
squad
team
advisor
backwardness
competitiveness
gadgetry
heartland
knowhow
marketplace
slowdown