Cathy Weseluck is the voice of both Spike and Mayor Mare in My Little Pony: Friendship is Magic, and is known for her work in anime as well as western animation. She has done voicework for such popular titles as Dragonball Z, Ranma ½, Inuyasha, and Death Note. She has also voiced characters in the Littlest Pet Shop, Adventures of Sonic the Hedgehog, ReBoot, Thor: Tales of Asgard, and was even the voice of Rarity in two My Little Pony G3.5 specials.
Besides doing voicework herself, Weseluck is a voice instructor and voice director, offering workshops and private coaching lessons through her personal website. Her credits also include singing director on My Little Pony Tales and dubbing director on Billy the Cat. On top of all of this, it is rumored that she plays a mean game of ping-pong.