Frank Hollander
Frank Hollander was a holographic character in a holoprogram set within the Ancient West town of Deadwood, which Alexander Rozhenko created for himself and his father, Worf, in 2369. He was the father of Eli Hollander. 

After Worf jailed Eli while playing the sheriff of Deadwood, Frank abducted Alexander. He offered to release him in exchange for Eli. Due to a malfunction, Data assumed the identity of the holo-characters, and the holodeck safety protocol was shut down, leaving Worf and Alexander in real danger. During the exchange of prisoners, Worf beat Frank in a gunfight, ending the program. ()

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Holograms
Fictional characters