Caduceus
The caduceus (☤; ; from Latin cādūceus, from Ancient Greek κηρύκειον (kērúkeion) 'herald's wand, staff') is the staff carried by Hermes in Greek mythology and consequently by Hermes Trismegistus in Greco-Egyptian mythology. The same staff was borne by other heralds like Iris, the messenger of Hera.