Here's a list of talented voice actors who you probably didn't know voiced other cartoon characters in different series before as well. Check out the list. And then, go find a clip! What range! Check it out below:
Jessica Walters - Mallory Archer (“Archer”) and Fran Sinclair (“Dinosaurs”)
Brain ("Pinky and the Brain") and Morbo ("Futurama") - Maurice LaMarche
Princess ‘Kida’ Kidagakash (“Atlantis: The Lost Empire”) and Susie (“Rugrats”) - Cree Summer
Spongebob (“Spongebob Squarepants”) and Dog (“Catdog”) - Tom Kenny
Homer Simpson (“The Simpsons”) and Grandpa Phil (“Hey Arnold!”) - Dan Castellaneta
Optimus Prime (“Transformers”) and Eeyore (“Winnie the Pooh”) - Peter Cullen
Jake the Dog (“Adventure Time”) and Bender (“Futurama”) - John DiMaggio
Philip J. Fry (“Futurama”) and Doug Funnie (“Doug”) - Billy West
Abu (“Aladdin”) and Scooby Doo (“Scooby Doo, Where Are You!”) - Frank Welker
Klaus (“American Dad!”) and Daffy Duck (“Space Jam”) - Dee Bradley Baker