Omar Matlapin is one of the pre-created, yet unplayable Sims featured in The Sims 2 as ancestors of playable, pre-created Sims. Though deceased when the game begins, you can see him in the family trees of playable Sims Darren Dreamer and Dirk Dreamer, who are his son-in-law and grandson, respectively.
He resided, during his lifetime, in Pleasantview, one of the neighborhoods that ships with the game. He is the father of Darleen Dreamer, who is deceased when the game begins. He was the husband of Mariana Matlapin. According to Omar's SimDNA in SimPE, his hair was brown before it turned grey.
Omar returns in the downloadable neighborhood Lucky Palms for The Sims 3, along with his wife and daughter.