While Mr Todd was most known to Transformers fans for those two roles, he also was a well-known actor in other major roles such as the lead in the "Candyman" series of films, as well as Kurn, the brother of the character Lieutenant Worf in the Star Trek universe.
The full story can be found at this link.
We send our condolences to Mr. Todd's family and friends, and thank him for bringing those iconic roles to life. May he rest in peace.
