Who could the pet be in 'izuku has a pet fanfiction'?

In this fanfiction, perhaps Izuku's pet is a magical being. It could be that the pet was sent to Izuku by some mysterious force to help him on his journey to become a great hero. The pet might be able to sense danger and warn Izuku in time. As Izuku grows closer to the pet, he discovers more about its past and the secrets it holds. This relationship could also attract the attention of villains who want to use the pet's power for their own evil purposes, leading to some intense battles and rescues.

Well, the raven could be a symbol of mystery, just like Severus himself. It might be used to deliver messages secretly, adding an element of intrigue to the fanfiction.

Maybe there are other dragon hunters in the story. These hunters see Natsu's pet dragon as a valuable trophy. They don't care about the bond between Natsu and the dragon. They just want to prove their skills by taking down such a powerful creature. So they keep chasing Natsu and his dragon throughout the fanfiction.

Maybe there are other Grimm that see the pet Grimm as an outcast for being with a human. These Grimm could come after the pet and Jaune, making them the antagonists. They would try to either kill the pet and bring it back to the Grimm world or kill both Jaune and his pet to keep their world 'pure'.

The pet dinosaur could be from a hidden part of the Naruto world, perhaps a place where ancient and extinct creatures were preserved by some kind of powerful jutsu. Maybe it was discovered during one of Naruto's adventures, like in a deep, unexplored forest or a secret underground cave.

In fanfiction, Harry Potter could have a phoenix as a pet. A phoenix is a very magical and majestic creature. It can be a great companion for Harry. It has the ability to heal itself by bursting into flames and being reborn from the ashes, which could be useful in many dangerous situations Harry might face.

One possible adventure could be that Harry and his cat discover a hidden magical garden. The cat might lead Harry to it by chasing a strange, glowing butterfly. In the garden, they find plants that can talk and give them advice on magic spells.

Maybe a rival bounty hunter. He sees Fox McCloud's attachment to his pet as a weakness and decides to target the pet in order to get to Fox. He sets elaborate traps and schemes to steal the pet away, thinking that this will either make Fox come to him or break his spirit.

Petunia Dursley could also be a main character. She is in charge of the household and the pet. In the fanfiction, we could explore how she views the pet and how her attitude towards the pet changes when strange things start to happen, perhaps due to Harry's influence or the pet's own mystery.

There's no way to tell just from the title 'severus has a cool pet fanfiction' who the author might be. It could be written by an amateur writer on a small fanfiction website or by a more well - known fanfic author within the relevant fandom. You'd have to search through various fanfiction platforms to find out.