Character Description (From the Regretevator WIKI):

NULL is a “helperbot” robot operated by a hivemind and uses the pronoun “we” to refer to itself. He speaks eloquently and mysteriously, often confusing other NPCs. It often speaks of the "prime" and refers to ascension, and the Greek figure known as Icarus, which are all a part of his undisclosed plan. It is currently unknown what this plan is. He works alongside Folly and MR, though he often quarrels with the former. Likely due to his nature as a robot created to serve, NULL is deeply focused on fully using his potential; as such, he judges and dislikes other characters who he deems as not using their potential fully or those who stay stagnant.

It / He

Voice Description:

NULL's voice is somewhat robotic in nature, and monotone.

https://regretevator.fandom.com/wiki/NULL

Lines are from NULL's canon dialogue in Regretevator