A highly intelligent, condescending, and cold Lawbot who is seemingly exceptional at everything he does. Working with him can seem like a great opportunity for aspiring Lawbots, but not many can handle his icy glare and barbed tongue. He has very high standards that he expects his siblings and others who work with him to uphold. All that with his acerbic demeanor makes him very unapproachable to many cogs, especially those who have eyes for the Backstabber. He knows he is charming, but he's mature enough to not let it get into his head, he has no time for nonsense!

Yevgeni is a fiercely work-oriented and highly competent cog who seems to be merciless in the courtroom, often wiping the floor with all opponents with knit-tight arguments and robust evidence. Outside of the courtroom, he still has a commanding presence, he is seen as a leader and role model by his peers. He is the epitome of professionalism and is considered to be the ideal Lawbot by his fellow Lawbots. This earns him admiration and resentment from others. He is also the object of affection but he often turns down any advances, he finds romance to be a distraction.

Even though he is icy and harsh, he can be warm and supportive towards his siblings, for the most part. He, like his younger sister, has his way of helping his siblings or other Cogs, even if it is condescending. Deep down, he cares a lot about the well-being of his fellow Cogs, his siblings especially.