Who would be the most likely characters to be involved in a 'Scotland Yard meets Mycroft' fanfiction, aside from Mycroft himself?

Maybe a plot where a dangerous international criminal has set their sights on London. Scotland Yard is overwhelmed, and they reluctantly turn to Mycroft for help. Mycroft, in his usual aloof manner, initially seems uninterested but eventually gets drawn into the case. Along the way, there could be a clash of methods between the Yard's traditional investigation techniques and Mycroft's more unorthodox ways, leading to some tense but also humorous moments.

A secret society that believes Mycroft is a threat to their hidden agendas. They may think that by kidnapping him, they can stop him from interfering with their plans. They would likely be very well - organized and have resources to keep him hidden.

Definitely Torbjorn. Since he has a connection with Bastion in the original Overwatch lore, he would be a central character. Reinhardt could also be involved. His chivalrous nature might lead him to protect Bastion if he saw it was in trouble. And of course, Mercy. She's always there to heal and help, so if Bastion gets damaged during the story, she would be there to patch it up.

Obviously, Mycroft Holmes is a key character. There may also be Sherlock Holmes and other characters from the Holmes family or the detective world.

One interesting aspect of fanfiction involving Mycroft and Sherlock as siblings is the exploration of their childhood. Writers often create backstories that show a more complex relationship than what's shown in the original works. For example, they might delve into how their different personalities developed over time. Mycroft's more reserved and calculating nature could be contrasted with Sherlock's impulsive and brilliant mind. Fanfiction can also introduce new characters that interact with the Holmes brothers, adding new layers to their family dynamic.

Rowena might also be a character in this fanfiction. She has a vast knowledge of magic. So, she could be the one who either accidentally turned Castiel into a dog in the first place or is the key to turning him back. Her sassy attitude would add a lot of flavor to the story as she deals with a dog - Castiel and the Winchesters.

Her Pokemon are very likely to be involved. For example, Piplup might be very concerned about Dawn's weight gain and try to cheer her up or help her in some way. Her friends like Ash and Brock could also be in the story. Ash might be a bit clueless at first but then show his support, while Brock could offer some advice on healthy eating or dealing with the physical changes.

Annabeth would definitely be involved. As Percy's girlfriend, she is often by his side during his adventures. She could be the one who witnesses Poseidon's pride towards Percy and helps Percy understand the significance of it. Grover, Percy's best friend, is also likely to be there. He might provide some comical relief during the serious moments when Poseidon is showing his pride. Also, other demigods from Camp Half - Blood like Jason, Piper, and Leo could be involved. They could be in awe of Percy's new - found status with Poseidon and might interact with him differently because of it.

Another plot could be that Scotland Yard recruits John for a special task. He might have to work undercover or use his military background to assist in a high - profile case. This could lead to all sorts of adventures and interactions with the Yard's detectives.

Hermione Granger is also a likely character. Her intelligence and love for knowledge could lead her to discover a way to bridge the past and the future. She might use her Time - Turner knowledge or find some new magical method. And she could play a key role in helping past characters adapt to the future or vice versa.