In "The Norse Case Scenario" (S1E25 of Be Cool, Scooby-Doo! ), Mystery Inc. investigates three Viking ghosts terrorizing a forest, which are revealed to be Ranger Mark, Donald, and Edith, who were staging the hauntings to hide an illegal logging operation. The episode features a comedic subplot involving a bear chasing Shaggy and Scooby, alongside Daphne's over-the-top "nature ranger" persona. For more details, visit Scoobypedia .