Mas and his brother Menos originated from the Teen Titans TV show. "Titans East" (part 1 & 2) was their TV debut. During the missing year after Superboy died Mas Y Menos became members of the real comic book Teen Titans team.
Both Mas and Menos only talk spanish.
Mas y Menos are seen alongside Sparx and Empress only to be taken down by Dr.Light and Mirror Master.
Both brothers were created by Sam Register and Glen Murakami. Freddy Rodriguez voiced them.
Titans East (1 & 2)