Killer whales were a type of aquatic mammal. They were known for being toothed whales, one of the few species of whales that actually had teeth. They commonly preyed on sea lions, but they rarely attacked Humans, just as with most other species of whales.
Known killer whales
- As seen in The Lava Men.
- As mentioned in The Weather Maker by the narrator.
- As seen in the Season 1 episode Dr. Pelagian's War. (Note: The so-called "Killer whales" were actually sharks, but this was apparently a production error. See the discussion page.)
- As seen in The Fantastic FRERPs.
- He was referred to as such, although he looked nothing like one.
- Windbag was actually not a real whale, he was a robot made of FRERP.