Ekans and Koffing

Ekans and Koffing are two villains from Pokemon.

Counterparts

 * Arry and Bert (Thomas and Friends)
 * Zebedee and Zak (TUGS)
 * Sea Rogue's Henchboats (Salty's Lighthouse, fan-made)
 * Scratch and Grounder or Orbot and Cubot (Sonic the Hedgehog)
 * Bebop and Rocksteady (Teenage Mutant Ninja Turtles)