The first rage comic depicted someone using the bathroom, and then toilet water splashed up, hitting their butt. The next panel then showed a face of anger with the words "FFFFFFFFFFFUUUUUUUUUUUUUUUUUUUU-" "Rage Guy" soon spread to other sites.
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"Rage Comics" originated from the above photo, and Rage Guy has been named the first rage comic character. Rage Guy is one of the, if not most, popular Rage Character, with Trollface also being very popular.