Colossalcon Texas

Dust off your rubber bracelets, your vans, and that one band tee you’d always wear. We’ll be blasting all your favorite emo, pop punk, and metalcore songs all night. It will feel like Warped Tour again, without having to stand outside in the heat waiting for your favorite band to play. Get ready to join Likely Vain for a trip back to the good ol’ days.

Likely Vain is a brother and sister DJ duo based in Raleigh, NC. Formed in 2023, they set out to provide high-energy shows and bring the best vibes everywhere they go. With a vibrant mix of Bass house to Dubstep, there is something for everyone at a Likely Vain show!

Otaku Cabaret features burlesque and pole performers adorned in cosplay from popular video games and anime. These entertainers bring to life beloved characters through their electrifying movements and sensual performances, combining traditional pole and burlesque techniques with elements from fantasy worlds. Expect a high-energy show with plenty of fan service that most otaku enthusiasts will enjoy.

We are happy to announce that our schedule is now online! You can begin planning your convention weekend by viewing our schedule and guide page. The schedule will continue to be updated as the con gets closer, so please check back for future updates!

The last day to book your room for Colossalcon Texas is July 25th, 2025. With just a few days left, now’s your chance to lock in your Kalahari Resorts & Conventions stay in Round Rock, TX, for Colossalcon Texas 2025! Each room includes four daytime waterpark passes, so you can slide straight from panels to pool time. For more information or to book your room, follow the links below!

Use code “tex15” to save 15% on regular admission until July 21st, 11:59 pm EST. This code does not apply to Season Passes.

The photoshoot schedule for Colossalcon Texas 2025 is now live! Visit the link below to view the schedule and available photoshoots or submit your own.

John Gremillion is a stage, film and voice actor who has been working in anime for over 20 years, providing voices for dozens of popular anime titles for ADV, FUNimation, Okratron 5000, and Sentai Filmworks. John’s most popular roles include Gentle Criminal in My Hero Academia, Dracule Mihawk in One Piece, Roland Chapelle in Food Wars, Arthur Randall in Black Butler, and D in Sentai’s recent re-release of Vampire Hunter D (Nomination – Best Male Lead Vocal Performance in an Anime Feature Film, 2015). Other roles include Nakeshi Hirokawa in Parasyte: The Maxim, General Liver in Akame Ga Kill!, as well as roles in Attack on Titan, Black Clover, Fire Force, Log Horizon and many others. 

A professional video editor for over 20 years, John worked on the supplemental materials ADV’s 2010 release of Halo Legends and for FUNimation’s release of Assassination Classroom Vol 2. He studied film at The University of Texas at Austin and Theatre Arts at The Juilliard School of Drama.

Jasmine James, known by her alias name CutiePieSensei, is an American cosplayer, fashion designer, social media influencer, and artist based out of Atlanta, GA. By combining her love of gaming, comics, anime, and art in general, Jasmine was able to find cosplay as the perfect outlet to unleash her creativity. She’s also a co-founder and designer for the new pop-culture inspired fashion brand, Fira X Wear.  By day, she works as a concept artist for the game Smite, where she combines her knowledge of physical costume construction with her artistic knowledge to create concepts for both her cosplays and the game. She is also known for her appearances on Marvel 616 and Marvel Becoming.

The Manly Battleships® are a group of fun-loving guys and gals that have formed the greatest programming group on the East Coast convention circuit. Veteran panelists combine their powers with a circle of long-time con-goers, otaku, and deviants to form the new titan at the front of the con scene.

The Fleet’s arsenal offers a lot of a lot, and a little of everything! From the “stay fun” academic to over-the-top panels, high-quality times are to be had under the Fleet’s banner. No matter your pleasure, there’s a Manly Battleships® event that’s right for you!

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