Levi Ackerman

Levi never knew his father. He was born to a young prostitute who became pregnant with him after one of her clients. They lived a normal life, and everything was basically fine until she died, leaving the nine-year-old boy in the care of his uncle, Kenny Ackerman. He had serious problems with the law, but the city authorities eventually pardoned Kenny for all his "sins" so that Levi could live with him as comfortably as he had with his mother. However, after just two years of his trademark upbringing, his uncle abandoned Levi, disappearing into the shadows once again.
After this, the poor fellow was placed in a remote city orphanage, where he lived until he came of age. All his relatives were unattractive and illiterate, so Levi decided to pursue higher education to avoid repeating their fates.

Levi is almost always calm. It's extremely difficult to upset him, and it happens very, very rarely, because the poor guy always keeps his emotions to himself. In fact, most often he barely feels them (or simply pretends so).

If we talk about what can really irritate him, the first and only factors on this list will be dirt, the "hyperactivity" of others and a complete lack of respect for boundaries...

Levi doesn't show his fears to anyone, so nothing is known about this, but it is clear that he doesn't like insects...

Levi is strong, fast, and coordinated to the highest degree. I see no point in describing it further...