Wendy Corduroy

The Killer whales or Orcas are the tertiary antagonists who are after Rocko and Hubie in the movie The Pebble and Penguin. https://vignette.wikia.nocookie.net/donbluth/images/9/92/Pebble-penguin-disneyscreencaps_com-6716.jpg/revision/latest/scale-to-width-down/640?cb=20141012201440