Samurai Dan

The husband and wife team of Daniel and Jillian Coglan are full-time martial art instructors, running a traditional samurai training center in Iowa, and have a combined 35 years of experience.

Beyond their martial skills, the dynamic duo collaborated to write, direct, host, and star in a 12 episode TV series entitled, “The Way of The Samurai.”

Daniel is also an author, with several martial art articles published, and is currently working on his second full-length novel.

Panels & Events:

  • Samurai Dan’s Samurai Sword Class
    Thursday 5-6 pm in Events 1
  • No Means No Self Defense with Samurai Dan
    Friday: 12pm – 1pm in Events 1
  • Samurai Dan’s Survival Course 14+
    Friday: 4pm – 5pm in Events 4
  • Way of the Samurai Stage Show
    Saturday: 1pm – 3pm in Events 2
  • Real Sword or Piece of Crap with Samurai Dan
    Saturday: 4pm – 5pm in Events 4
  • Samurai Dan’s I’m So Dumb 18+
    Saturday: 11pm – 12am in Events 2
  • Love Is A Battlefield with Samurai Dan
    Sunday: 3pm – 4pm in Events 4


Kazha is a rock band founded by a Japanese Singer/Bassist Kazuha Oda and a Guitarist Hideki Matsushige. The band has been touring in the U.S.A. with their Artist visa.

Kazuha is a classically trained singer worked in various genres of music from Classic to Heavy Metal. She worked with wide variety of Grammy Award-winning recording artists and producers including Bob James and Lawrence “Boo” Mitchell.

After the release of Kazha’s first album in 2010, they made their first U.S.A. debut performing at San Francisco’s Asian Heritage Celebration sharing the stage with hip-hop group Far East Movement. In September 2010, the band made its first Anime Convention debut at Colorado’s Premier Anime Convention “Nan Desu Kan”. They also appeared at “Vianco Expo” and made their Mexican debut that same year. Since then, they have toured more than 35 states made special guest appearances at numerous Anime/Comic Conventions and Festivals around the U.S.A.

Kazha has also performed at world famous venues such as Whiskey A Go Go, sharing stage with musicians such as Gilby Clarke, George Lynch, Tracii Guns, LA Guns, Y&T, and Trapt.
In 2014, Kazha gradually started to move their base of operations to Memphis, TN. Since then, they have been featured on local broadcasts such as WREG News Channel 3, ABC 24 News, and WMC Action News 5.

October 2018, Kazha released their self-titled third album “Kazha”. Kazha represents a new future of music: a fusion of cultures and musical view points that create their sound, combining the softness of a falling feather and the heaviness of a hurricane.


  • Friday 9pm – 10pm in Events 1
  • Saturday 9pm – 10pm in Events 1

Professor ShyGuy

Professor Shyguy’s music can be best described as; high energy, chiptune-electro-rocking, 8-bit, epically vocalized, highly danceable, theatrical nerd-pop. Singing 50% about video games and the other 50% is anything from Space/Time to English Language gymnastics. He is recently known for singing Starring Star on the Funimation dub of Dragon Ball Super. You might have also heard him on Kumail Nanjiani and Emily Gordon’s Podcast ‘the Indoor Kids’ or the Diamond Club podcast. He has also made theme songs for GuudeBoulderfist, This Week in Chiptune, PortsCenter, and more!


  • Thursday: 9pm – 10pm in Events 1
  • Saturday: 4 pm – 5pm in Events 2

Ghost in Blue

Ghost in Blue is an Anime/Video Game cover band based out of Kent, Ohio. Returning for their fourth year at Colossalcon, they hope to achieve a wonderful musical performance that leaves you going ‘Hey, I know that song’ and ‘This music is from something I’ve experienced prior to the events of this convention’. Keep an ear open for various songs from Naruto, Seven Deadly Sins, Fullmetal Alchemist, Death Note, and more!

Be sure to check them out on and on Twitter @ghostinblueband


  • Friday: 7pm – 8pm in Events 1
  • Saturday: 5pm – 6pm in Events 2