Does the person who voices Blue Streak in 1980s Transformers series also voice Shaggy Rogers origanal Scooby-Doo series?

You're thinking of two different voice actors!

* Blue Streak from the 1980s Transformers series was voiced by Peter Cullen. He is also the iconic voice of Optimus Prime.

* Shaggy Rogers from the original Scooby-Doo series was voiced by Casey Kasem.

While both are incredibly talented voice actors, they are distinct individuals.