Thunder, whose real name is Anissa Pierce, is the sister of Lightning and a student at Super Hero High School. Along with Lightning, she first appeared as a background character in early webisodes, and starting with Seeing Red, she becomes a regular. She is voiced by Cree Summer.
Thunder is a young lady with dark skin, brown eyes and dark brown hair in a ponytail. She wears a black and yellow jumpsuit with a yellow lightning design pointing down the center of her torso, yellow sleeves, and black pants, as well as yellow boots.
- Shockwave Stomp:
- Energy Wave Emission:
- Ergokinetic Combat:
Depiction in the web series
In Welcome to Super Hero High, Thunder appears sitting by the Lady justice statue talking to Arrowette in front of the school in promotional video for Super Hero High School. In All About Super Hero High, she appears in the video sitting with Arrowette as it is being played on Wonder Woman's phone. In Saving the Day, she sits next to Lightning during an Intro to Super Suits class.
In Dude, Where's My Invisible Jet?, Thunder makes a background appearance sitting on the second-floor balcony at a table at Capes & Cowls Café with Dove.
In Seeing Red, Thunder argues with Lightning over a hairband, in an SHHS hallway, accusing her of "always wearing [her] stuff without asking", before their argument escalates into a fight, thanks to the effects of a red, anger-inducing Kryptomite running amok in the school. After Starfire defeats it, they are seen making up. In Body Electric, Thunder and Lightning team up with Cyborg to defeat Giganta and accidentally causes a blackout in Metropolis. Later they let panicked people inside the Capes and Cowls Café before Batgirl takes Lightning to help her restore the power. When Lightning fails to do so by herself, Thunder encourages her and helps her succeed. They are later awarded medals for restoring the power at the school.
In Fish Out of Water Part 1, Thunder appears in the line of students impatiently waiting to use the water fountain as Mera drinks from it for an abnormally long time. In By the Yearbook, Thunder makes a cameo appearance in a school hallway across from Elasti-Girl as she looks through a SHHS yearbook.
In Finals Crisis, Thunder makes a background appearance waving to Supergirl in a Super Hero High School hallway as all students are called into the auditorium for the assembly on Semester Finals. She later appears with Lightning receiving a flyer from Harley Quinn for her Semester Finals party, and they subsequently appear attending the party in Harley's room where Harley pushes between them searching Supergirl, Batgirl and Wonder Woman. She later appears without Lightning in the crowd of students surrounding Principal Waller as she congratulates the students for passing Finals.