Strideo this is actually the name of the little known and seldom mentioned twin brother of Tux the Linux penguin. Vader inexplicably disappeared in the mid 1970's and the official cause for his disappearance was never discovered.

rumor has it that Tux pushed Vader down a well in a fit of rage and jealousy while under the influence of heroin in order to make sure that his brother would never steal the spotlight in the realm of operating system mascots.
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