Probably a pentagram, grim reaper, or skull used to symbolize death or a spade, the death card.
A red rose is the universal symbol for love. A cross it the universal symbol for Jesus Christ. The devil is the universal symbol for everything dark and evil.
The universal symbol for health is the universal symbol for medicine. It is called the rod of Aesculapius. It is a rod with a snake curled around it.
The symbol for Universal Corporation in the NYSE is: UVV.
Because it has been used by the Nazis as their symbol it has been turned into a symbol of evil, since the Nazis were evil.
The symbol for FAB Universal Corp. in the AMEX is: FU.
The symbol for Universal Display Corporation in NASDAQ is: OLED.
The symbol for Universal Electronics Inc. in NASDAQ is: UEIC.
The symbol for Franklin Universal Trust in the NYSE is: FT.
The symbol for Universal American Corp. in the NYSE is: UAM.
The ticker symbol for Universal Display Corp is PANL and it is traded on the NASDAQ.
The symbol for UNIVERSAL INSURANCE HOLDINGS INC in the NYSE is: UVE.
The symbol for Universal Technical Institute Inc in the NYSE is: UTI.