- Main article: Timeless Child's regenerations
The Fifth Timeless Child was one of the many incarnations experimented on by Tecteun I while she tried to learn the secrets of regeneration. (TV: The Timeless Children)
Appearance[]
The Fifth Timeless Child was a young-looking fair-skinned boy with brown short hair covering his forehead.
Possibly due to looking physically older than his previous incarnations, he wore black leggings and a grey-blue robe with a white sash and a high collar. (TV: The Timeless Children)