Euclid

Euclid is one who cannot see, or feel. In fact he has never seen or felt anything in his entire life. His very existence is just a construct of pure thought, taking the form of an raceless, ageless man. As Euclid himself cannot utilize his senses to visualize things around him, he uses his mind to think beyond ways that are considered thinkable. Euclid is noted to have been the one who conceptualized the first shape into existence. In fact Euclid himself is the source of all Geometry. Some say that his greatest creation was casting the geometrical gauntlet known as the PEMDAS Gauntlet, which can divide by zero. Although it is merely just a legend, for nobody truly knows the real origin of the impossible relic.

Euclid has one primary motive throughout the entire Slopeverse, which is to preserve the Slope Dude of the Central Timeline. If Slope Dude were to perish forever then Math Existence everywhere would cease. Hence why the Grand Architect of the Slopeverse is so focused on ensuring Slope Dude's existence. In fact when Slope Dude was dusted away in the events of Slope Dude 4, Euclid formulated the scenario so that Slope Dude can return. To do this he sent a message back in time to the Nexus Chasm within the Central Timeline. This message was given to a select few individuals who would later form the Mathvengers after Slope Dude's evident passing in Slope Dude 4. Obviously Euclid could not accomplish this task on his first try and had many failed attempts in doing so, one of which created the New Era Timeline which sprouted the creation of the feared force known as President Slope Dude. But at the end of the day Euclid succeeded and assembled the Mathvengers through Quantum Telekinesis.