The original Battlestar Galactica and the Transformers animated series both used the same effect to create a distinct voice.

Soundwave first appeared in the original Transformers toyline in 1984 as a Decepticon whose alternate mode was a micro cassette recorder. He serves as Megatron's loyal communications officer and spy, ...

While the Cylons in the original 1978 "Battlestar Galactica" definitely looked like actors in chrome suits, they at least sounded like robots. Cylon Centurions spoke with a low-pitched synthesized ...