Aizawa: Aizawa has a stoic and mature demeanor, defined by his blunt nature, reserved disposition, and sternest. Aizawa has sharp observation skills, intelligence, and a logical approach to situations, often appearing cold, apathetic, impatient but most of all fatigued.  
In contrast, Mic: Mic is easily excitable, outgoing, and highly expressive. He tends to exaggerate his emotions through emotive poses and enjoys teasing others. Mic is eccentric, jovial but can also be protective and reckless.