|This article is about a/an ally in Saban's Masked Rider.|
Barbara Stewart is Dex' adoptive Earth mother. She works as a caterer and part-time as a homemaker. Barbara keeps on eye on the family's well-being and constantly has her husband stick to his diet. In one episode, Count Dregon imprisoned Nefaria in one of the monster jars and brainwashed Barbara into his new commander Barbaria, but her love for Dex broke the spell.
- Utako Sahara, her Japanese counterpart from Kamen Rider Black RX
- Maribaron - Counterpart in Kamen Rider Black RX. See comparison page. (Barbaria)