juju — an object venerated superstitiously and used as a fetish or amulet by tribal peoples of West Africa.
mascot — an animal, person, or thing adopted by a group as its representative symbol and supposed to bring good luck: The U.S. Navy mascot is a goat.
phylactery — Judaism. either of two small, black, leather cubes containing a piece of parchment inscribed with verses 4–9 of Deut. 6, 13–21 of Deut. 11, and 1–16 of Ex. 13: one is attached with straps to the left arm and the other to the forehead during weekday morning prayers by Orthodox and Conservative Jewish men.
trinket — a small ornament, piece of jewelry, etc., usually of little value.
rabbit's foot — the foot of a rabbit, especially the left hind foot carried as a good-luck charm.
charm — Charm is the quality of being pleasant or attractive.
idol — an image or other material object representing a deity to which religious worship is addressed.
image — a physical likeness or representation of a person, animal, or thing, photographed, painted, sculptured, or otherwise made visible.
superstition — a belief or notion, not based on reason or knowledge, in or of the ominous significance of a particular thing, circumstance, occurrence, proceeding, or the like.