Answer: The Observer
Although it is not uncommon for a science fiction character to perform in another science fiction television series, it is almost entirely unknown that sci-fi characters appear non-existent. Science fiction television programs. That is, unless the character is The Observer from the Fox science fiction series Fringe . As part of a subtle but far-reaching publicity for the popular sci-fi series, in 2009 Fox included The Observer ̵
Courtesy of 20th Century Fox.
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