Dalton Lambert

Dalton Lambert is the son of Josh lambert and Renai Lambert and the older brother of Foster and his baby sister Cali.

Insidious
He first appears sitting when the Lambert family moved to the first house in the movie. Later, lip-stick face possesses him and Dalton appears laying in his bed until the end of the movie, when Lip-stick face was stopped. Dalton then doesn't appear no longer possesd

Insidious: Chapter 2
Dalton begins to notice that his father Josh is acting strange.