Nathaniel William "Rock" Adams (ロック・アダムズ, Rokku Adamuzu) is a fictional character in the Soul series of fighting games. He appears in Soul Edge, Soulcalibur, Soulcalibur III, Soulcalibur IV and Soulcalibur: Broken Destiny. He does not appear in Soulcalibur II, but the character Berserker has a similar moveset. In most games, Rock is a non-starting character who must be unlocked. He is known as the Roaring Fighting Spirit (爆走する闘志 Bakusou suru Toushi) in Soul Edge, the Earth of the Severe Earthquake (激震の大地 Gekishin no Daichi) in Soulcalibur, and the Fierce Beast's Fang (猛き野獣の牙 Mouki Yajuu no Kiba) in Soulcalibur III, Soulcalibur IV, and Soulcalibur: Broken Destiny. What lies in his soul is Resolution.