Kuro-chan

The most strongest, violent cyborg cat. He was once an ordinary cat until after getting involved in an accident. He was then turned into a cyborg by Dr. Go, whom wanted him to stay with him under his command. However, Kuro rebelled and took down some of the doctor's minions. He created a rivalry with Mikun, who taught him how to use a sword. Eventually, in the middle of the series, he became comrades with Mikun. Later on, Kuro defeats Dr. Go and becomes friends with him. Despite his scary and violent attitude, he s…