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Heather, better known as Charmcaster, is Gwen's rival and an apprentice magician. She first appeared in The Charm Offensive.


As Heather, Charmcaster used to have brown, shoulder-length hair. She wore circular-framed glasses, a white necklace, a brown trench coat, a brown satchel, a cyan dress, white socks, and brown shoes.

Now, Charmcaster has white, shoulder-length hair with a black spiked headband. She wears a black choker around her neck, her bag is now white, still wears the necklace, a black top with a purple sweater over it, a magenta skirt, grey leggings, and black boots.


According to herself, she used to be weak and lacking in self-confidence. The brief flashback to her former self shows her looking very shy, nerdy and awkward. When she gained magic abilities from a spell book that changed her appearance, her personality changed along with it, becoming more confident, aggressive and rebellious.

However, her self-esteem issues still exist deep down, which allowed Michael Morningstar to be able to take advantage of her, contrasting to Gwen Tennyson who was able to resist him. When Gwen rescues Charmcaster from Michael's abuse, Charmcaster is both grateful and furious, as she feels it means she is still weak and Gwen is stronger than her. She then declares herself Gwen's enemy, who, if they meet again, will fight her and prove that she is the stronger one. 

She hates being reminded of the "weak girl" she used to be, as seen later when she flies into a rage after Kevin calls her a weird nerd.

She is envious of what she deems Gwen's "perfect life", and executes a scheme to steal that life for herself, although she ultimately gives up on it when it becomes clear that Gwen's life isn't as perfect as she believed it to be.

By Which Watch, further reliance upon her spell book that Morningstar is trapped in seems to be giving Charmcaster more of his personality traits. This is shown when she tells Kevin to "stop resisting her" much like Morningstar did to Gwen, and also yells at him to "stop whining and give her his power", a line from Morningstar that Charmcaster was once on the receiving end of.

While vindictive toward both Gwen and Ben, Charmcaster doesn't seem to desire causing collateral damage toward people uninvolved with their feud. She was willing to let Kevin go after capturing him by mistake until she learned that he hated Ben and had a watch with one further alien form in it. She also later points out to Ben the dangers of mixing the power of Stinkfly with the power of Hot Shot and allows him to evacuate the space camp facility of innocent civilians in case an accident happens.

By the two-parter Roundabout, Charmcaster has become somewhat sadistic as she tried to brutally murder Gwen with a drill, all while smiling sadistically.


Charmcaster was introduced in The Charm Offensive. While Ben Tennyson and Gwen Tennyson were at Biggie Box, Charmcaster summoned an ice cream monster which caused mayhem in the store. Ben transformed into Heatblast to fight the monster, while Charmcaster told Gwen her backstory. She told Gwen how she used to be a regular teenage girl named Heather who was also a huge fan of Michael Morningstar. One day she found Hex's spellbook that had been put on sale at the end of Freaky Gwen Ben. The book awoke the magical potential within her and changed her appearance. After the events of Bright Lights, Black Hearts, Charmcaster shared her energy with Michael to give him back his strength, and agreed to help him take down the Tennysons as his girlfriend.

During the battle, Michael constantly treated Charmcaster abusively, vacillating between showing her affection in order to keep her under his control to angrily shouting at her and physically taking energy from her without her consent. When Gwen proved that Michael was only using Charmcaster and didn't actually care about her at all, an enraged Charmcaster trapped him in her spell book. She then told Gwen and Ben that she would leave them alone for now out of gratitude for their help, but because she now knows she doesn't need anyone, if they cross paths again she will fight and defeat Gwen in order to prove that she is the stronger girl between the two of them.

In Charm School's Out, Charmcaster switches forms with Gwen and disguises as her. While Ben was fighting "Charmcaster", "Gwen" goes with Max and attempts to make a spell that will give her Gwen's life for good. However, Max interrupts this plan by getting her to try to fix the Rustbucket's radio, which she fails miserably at, disillusioning her with having Gwen's life. When Gwen turns back to normal, Charmcaster then escapes with the Forever Knight, and accepts his offer to join his cause.

In Which Watch, Charmcaster takes control of Kevin in order to destroy Ben and the space camp that Gwen loves so much, but is defeated when Humungousaur uses Monster Kevin's fire breath to damage her spell book. It is unknown if she was following the orders of the Forever Knight or not during this event.

Powers and Abilities

Charmcaster possesses a spellbook which she writes in to cast her spells. She has been shown to have the ability to summon an ice cream monster, teleport, and fly.


Charmcaster lacks self-esteem and can be taken advantage of by people who play to her emotions. She professed that she felt the transformation she'd undergone thanks to the spellbook changed her from her old "weak" self, but her compliance under Michael Morningstar despite his abuse toward her showed that such weaknesses still remain within her, much to her chagrin.

She is also extremely jealous of people she perceives to have it better than her, particularly Gwen Tennyson who had both a stronger constitution against Morningstar and a family who loves her.

She has no experience fixing a radio.


Season 2

Season 3


  • Charmcaster has a completely different origin in the reboot than her classic continuity counterpart. As a result, she has no familiar relationship with Hex.
  • Charmcaster's real name, Heather, happens to be one of the names Morningstar mentioned while trying to remember Charmcaster's name in the Ultimate Alien episode Couples Retreat.
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