ORCAS The Finnish ppl call 'em WHALE KILLERS ('cause they kill Whales - they eat 'em alive!) "Killer Whale" is a mistranslation - the sentence structure is diff. Although related to Whales they're more similar to Dolphins!
The killer whale, also referred to as the orca whale or orca, and less commonly as the blackfish, is a toothed whale belonging to the oceanic dolphin family. Wikipedia - Stop the Dolphin and Orca Slaughter NOW
Did you know . The Killer Whale is actually not a Whale - Today I found out “Killer Whales”, or Orcas, are actually Dolphins. In fact, they are the largest member of the Dolphin family with a very distinctive black and white coloration.