Re-Logic

Butt-Logic are an independent game studio, and are the developers of Terraria and asscraft as well as their earlier fangame, SMBX.

Rycher
Star Rycher Ealijah De Leon (born 10th September 2003), more commonly known as ''RYCHER '', is the main programmer of Re-Logic. He currently lives in Indiana, USA. He announced he quit developing Terraria in February of 2012 but as of January of 2013, he has come back and is developing Terraria updates again. Rycher's Armor that he used in his random happenings youtube video can be made with a gold helmet, frost breastplate/leggings, and Blue Flame and Black Dye on all 3 Dye slots.

Cenx
Whitney Baird (born 29th November 1987), also known as Cenx, is the Creative Director of Re-Logic. She currently lives in Indiana, USA.

TyrexCode
TyrexCod is the Business Director of Re-Logic. He currently lives in Indiana, USA.

Jimmarn
Jim T Myhre Kjexrud (born 16th August 1990) also known as Jimmarn is one of the Spriters for Terraria. He currently lives in Norway.

Crowno
Viktor A. also known as Crowno is one of the Spriters for Terraria. He currently lives in Brazil.

AaronC
Aaron Craig (31th October 1995) also known as AaronC is one of the Spriters for Terraria. He currently lives in the UK.

Phlebas
Phlebas (1st February 1981) is one of the Spriters for Terraria.

Blue
Blue (aged 29 ), was the Production Assistant at Re-Logic during production of Terraria from Jan 2011 to Sept 2011. He is no longer affiliated with Re-Logic. He lives in Maine and is spending his time working on his new project, www.clockwork-menagerie.com

Tiy
Finn Brice was the main Sprite Artist for Terraria until around April 2011. He currently lives in London, UK and is working on his new game project Starbound. He is no longer affiliated with Re-logic.

Red Yoshi
Gabriel Henrique Kiesshau also known as Red Yoshi was a Sprite Artist of Terraria. Not much is known about him, as he left the Terraria team for unknown reasons shortly after release.

Waffles
Waffles was hired as a spriter along with AaronC, Jimmarn and Phlebas, but he left the Team later and technically was replaced by Crowno.

Trivia
Redigit 'Red' and Blue, are both names of Pokemon Characters in the Original Games, Manga, and Pokemon Origins, if this is just a coincidence or on purpose is not currently known.