Deaths in December 2018

The following is a list of deaths that should be noted in December 2018. For deaths that should be noted before the month that the world is in, please see "Months". Names under each date are noted in the order of the alphabet by last name or pseudonym. Deaths of non-humans are noted here also if it is worth noting.
Each listing of a death must have a source. If no reference is included, the death notice will be removed. The following are the requirements of adding a name to the list in its order: name, age, where they came from, what the person is known for, cause of death (if known) and a source.