Mandroid,Cobalt Man & Dreadnought vs Goliath
Three pretty tough and strong characters
Goliath- http://www.marveldirectory.com/individuals/a/atlas.htm
Cobalt Man- http://www.marvunapp.com/Appendix/cobaltmn.htm
&
Manroid- http://www.marveldirectory.com/individuals/m/mandroid.htm
Dreadnought- http://www.marveldirectory.com/individuals/d/dreadnought.htm