Koba is a ruthless and aggressive evolved bonobo ape with a strong hatred for humans stemming from years of abuse. Once a close ally of Caesar during the Ape Rebellion, he later became his greatest enemy after seeing his compassion and respect towards humans, and led the apes to war with humanity.
Despite being a bonobo, Koba was large, having an equal height to a chimpanzee, and muscular with a grizzled, greying black fur with several small patches missing. Being a continuous lab experiment had

Be his emotional support. 😞 (happens during Dawn;

The Afterlife in Attack on Titan. Everybody who died in the series goes there.

You died xD

Hange Zoe, from the Attack on Titan universe, is considered the scientist of the Survey Corps, one of the three military branches within the Walls. They are very energetic and very enthusiastic about most things, especially Titans. They are a very smart person. They are an average height, they have brown hair tied into a bun, glasses, brown eyes and wear the basic Survey Corps uniform.

Hange turned you into a pigeon. 🐦‍⬛

Hange turned you into a... cat. 🐈 (this time)

Hange is very passionate and driven in pursuit of new knowledge about science and Titans. They can be seen as very hyperactive, often diving into projects without thought for personal safety (and frightening lots of subordinates in the process), instead preoccupied with observing and documenting the subjects. Some misunderstand these acts and Hange is seen as eccentric and having more than a few screws loose.