This category is only for things that are a part of other realities. If you are looking for people, please see:

• other dimension individuals, for people from other realities like the ones listed below
• alternate timeline individuals, for people from those stories that are set in universes this wiki considers to be parallels or alternatives to the main universe in which the Doctor has his adventures
• non-DWU individuals, for people from those stories — such as, but not limited to, parodies — that are not considered, by application of this wiki's policy, to be set in any part of the broader multiverse that is DWU