This episode confirms Nathan's indigenous heritage, which was previously alluded to in the episode "Girlfriendklok".
After watching a television documentary, Nathan discovers he is one-quarter Yaneemango—a brutal South American tribe. Driven by this heritage, the band ventures into the jungle to find them. While Nathan seeks cultural connection, Pickles is motivated by "Yopo," a potent psychedelic drug used by the tribe in religious rituals. [S2E9] Dethcarraldo
In the Metalocalypse episode (Season 2, Episode 9), Dethklok travels to the Amazon jungle so Nathan Explosion can "reconnect" with his ancestral roots. Plot Overview This episode confirms Nathan's indigenous heritage