Kraig the Kraken

Being a child while the world ends for real isn't easy. However, being a prodigy is slightly better. At the starting hours of the ragnarok the boy managed to easily deal with the raising monsters while everyone else died, due to the plague or the abominations eating them. His intelligence, stamina and strenght kept the kid alive,  until the moment he set off to kill the Guy until he was able to run away to the coast in hopes of survival. Upon arriving at a beach, he was cornered at the ocean by a massive monster, and tried to escape swimming away. As he swan into the horizon, the monster followed, but before it could eat the child, a sea creature grabbed both of them and dove deep down. Once he started drowning, his dormant powers awoke, and he instantly became an humanoid kraken. Using the drowned body of the first monster to smash the sea aberration, he managed to escape and easily swim to the surface with his new kraken-based powers.

Powers
Whomever Kraig was before the Virus infection, he already had one of his powers. He was a child prodigy from birth, which means he was a master of variable skills far beyond his level of maturity. He was highly skilled with martial arts (especially when using the bo staff) and one of the students with the highest grades in his school. Those skills helped him in the start of the end of the world, and let him run away until the oceans, where his second power took form.

Kraig second power is what gave him his new name: kraken physiology. Said powers give him the abilities and traits of a kraken, such as the ability to breath and live underwater, his sheer size, the rolls of hundred of teeth in his mouth, the ability to spit black ink, among other powers.

Physiology and Personality
Being half-kraken in the post-supocalyptic world, Kraig has many pros and cons that not only affect his appearance, but his behavior too. One of the most noticeable details is his difficulty to speak. Having a large amount of teeth not only in his mouth, but also all the way down his throath. That way he usually is unable to properly speak, being more often than not misunderstood by his friends at the Hidden Accord, but some times he growls instead of pronouncing a meaningful word (basically at the same rate he is properly understood). He has some hard time making people understand him, but depending on the situation he is more or less willing to try and make himself understood (if the matter is more urgent, he will try to do so nonstop, but as with his name, he has give up on trying to make people call him by his original name).