Fictional characters with accelerated healing

This is a listing of fictional characters that possess the power to rapidly heal themselves from injury, this includes regenerative abilities. In the Marvel Universe, this power is called an accelerated "healing factor". Characters who have vast powers (such as access to magical spells or advanced technology) who are in theory capable of this superhuman feature or ability, but have not necessarily provided an example of doing this or have not made regular use of this ability are not listed here.