Conversation so far:
is plankton from spongebob a zooplankton or phytoplankton
Plankton from SpongeBob is an intellectual planktonic copepod.
who is the character plankton married to
Plankton and Karen are the married owners of the unsuccessful Chum Bucket restaurant.
what is plankton's goal
Plankton and Karen often devise schemes to steal the secret Krabby Patty recipe, but their efforts are always thwarted by Krabs and his employees.
is plankton all evil
Plankton's roles are not exclusively antagonistic. Outside of business, he seems to have a somewhat friendly relationship with SpongeBob.

Question: what voice actor does the voice for the character
Self-contained rewrite: what voice actor does the voice for the character plankton