The term "death's heads" often refers to skulls or images of skulls, which can symbolize death, danger or mortality. Synonyms for "death's heads" include: crania, craniums, skulls, bone heads, bony skulls, death masks, and ossuaries. Several cultures have their own terms for these symbols, such as the Aztec "tzompantli" and the Tibetan "kapalas." The use of skull imagery is prevalent in various fields, including fashion, art, and literature. Skulls can represent themes such as rebellion, danger, fearlessness, and even humor. Regardless of their meaning or origin, death's heads continue to be a powerful and enduring symbol throughout history.