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Billygoat hamburger box.
Billygoat is a fast food brand on Mars, known to serve hamburgers. Its logo features what seems to be a pentagram, and could be a reference to the Icon of Sin, the final boss of Doom II: Hell on Earth. The appearance of the goat's head in the pentagram is more reminiscent of the sigil of Baphomet, as associated with Satanism, and a symbol used by the Knights of the Templar for protective/warning uses.