John, Frederic, and Linda or Kelly. That team combination is unstoppable. Hell we never got to see Samuel's potential, he was the largest of the Spartans and quickest to heal from the genetic procedure. Put him head to head with a Titan, it would be like bull vs bull except Sam stood at 7'6 and I doubt any Titan besides Shaxx is taller than 6'6. The Spartans where bred through teamwork by Chief Mendez's hands. The only thing known to man that can take on a Spartan is the Space Marines. [spoiler]Space Marines are OP as fack.[/spoiler]