"I was taken aback by the response and the sheer love that was in the audience," he said.
"It became quite evident that (voicing this character) was a responsibility that I wanted to fulfill. I had no idea he was so popular."
Cullen also discusses reprising his most famous role for the big screen movies as well as appearing opposite Frank Welker once again in Transformers: Prime. He even talks about his own personal Optimus Prime toy!
The article also talks with fellow Prime cast member and veteran voice actor Steve Blum who discusses how fun it is to play villains like Starscream.
Thanks go to CNN iReporters and Seibertronians Shaun Martens, Kevin Farren, Cody Helms who point out in the article that the best place to find Transformers news and good conversation with other collectors and fans is our very own Seibertron.com.
The full article can be found on CNN here.