Heavy and Bomb (Sonic the Hedgehog)

Heavy and Bomb are two characters from Sonic the Hedgehog. They were built by Dr. Robotnik, but turned against him to help Knuckles and the Chaotix.

Counterparts

 * Donald and Douglas (Thomas the Tank Engine and Friends)
 * Frank and Eddie (TUGS/Salty's Lighthouse)
 * Kirby/Softy and Mac/Pockets (Wacky Races/The Perils of Penelope Pitstop)
 * Fox in Socks and Mr. Knox (Dr. Seuss/The Wubbulous World of Dr. Seuss)