Gwen Tennyson

Gwen Tennyson (19 years) is sent by her parents on a road trip with her Grandpa and her cousin Ben . She and Ben constantly argue, however they are both shown to deeply care for each other on various occasions throughout the series. Following Ben's acquisition of the Omnitrix, the trio embark in a series of adventures, encountering various extraterrestrial and supernatural entities, including the intergalactic alien warlord overlord and conqueror Vilgax and master magician Hex and his niece Charmcaster, the latter of whom detects a "magical aura" within Gwen, which she begins tapping into, acquiring magic powers of her own and obtaining Charmcaster's spellbook. On two occasions, Gwen uses the magic artifacts known as the Charms of Bezel to become the superhero Lucky Girl while becoming powerful like her cousin Ben with his Omnitrix. Gwen's biggest power is her intelligence: she is a computer expert can use magic, extensive knowledge of history and science, very skilled fighter