Re-Logic are an independent game studio, and are the developers of Terraria as well as their earlier fangame, SMBX.
 Current Employees
Andrew Spinks (born 12th November 1983), more commonly known as Redigit (often nicknamed Red), is the main programmer of Terraria and leader 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. Redigit's dyed Armor he used prior his developer armor can be made with a gold helmet, frost breastplate/leggings, and Blue Flame and Black Dye on all 3 Dye slots.
Whitney Baird (born 29th November 1987), also known as Cenx, is the Creative Director of Re-Logic. She currently lives in Indiana, USA.
Yoraiz0r (born Mar 22, 1994) is a programmer for Terraria. He was hired alongside Solsund in January 2014. Prior to that he was a well-known modder of the official forums, TerrariaOnline.
Solsund (born Dec 18, 1978) is a programmer for Terraria. He was hired alongside Yoraiz0r in January 2014. Prior to that he made "MoreTerra", which is a Terraria World viewing program.
D-Town is the Business Director of Re-Logic. He currently lives in Indiana, USA.
Jim T Myhre Kjexrud (born 16th August 1990) also known as Jimmarn is one of the Spriters for Terraria. He currently lives in Norway.
Viktor A. also known as Crowno is one of the Spriters for Terraria. He currently lives in Brazil.
Phlebas (1st February 1981) is one of the Spriters for Terraria.
Lazure (4th July 1981) is one of the Spriters for Terraria.
 Former Employees
Jeremy Guerrette (aged 29) also known as Blue, 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 currently lives in Maine.
Finn Brice also known as Tiyuri, was the main Sprite Artist for Terraria until around January 2012. 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.
Aaron Craig (31th October 1995) also known as AaronC was one of the Spriters for Terraria, hired for the 1.2 Update. He currently lives in the UK.
 Waffles =
Waffles was hired as a spriter along with AaronC, Jimmarn and Phlebas, but he left the Team later and then was "replaced" by Crowno.
Redigit 'Red' and Blue, are both names of the first main character and rival respectively in the Pokemon Games, Manga, and Pokemon Origins, if this is just a coincidence or on purpose is not currently known.