Complex sentence: Beginning in 1979, the character's mouth was animated to "move" in synchronization with the voice actor's singing and/or dialogue and, by the early 1980s, the Kool-Aid Man had attained pop culture icon status.
Split into simpler sentences: Beginning in 1979, the character's mouth was animated to "move" in synchronization with the voice actor's singing and/or dialogue. By the early 1980s, the Kool-Aid Man had attained pop culture icon status.