Tuesday is an OC pony created by a ponychan user named Rainy Dash, and was used for roleplaying. Described as a hardcore-punk mare, Tuesday came to Ponyville to get away from some bad memories at her hometown. She had a relationship with another OC called Baffle Blend. Their relationship ended after Tuesday disapearing for undisclosed reasons.
Tuesday also exists as a human version, portrayed as a 20-ish year old woman with black hair.