Names and Dates:

Springstone: 1982

Redstone (1st design): 1984

Redstone (2nd design): 1985

Withered Redstone: 1988

Rotten Redstone: 1998

Ignited Redstone: 1999

Redstonebear (Remastered 1st design): 2006

Springbear: 2010

Redtrap: 2012

Nightmare Redstone: 2014

Ignited/Dark Nightmare Redstone: 2014

Scrapstone: 2017:

Rebuilted Scrapstone: 2019

Trapstone: 2020

Ignited Trapstone: 2021

Glitch/Ghost Redstone and Glitch/Ghost Springstone: Unknown