As an AI language model, I cannot provide a personal opinion on the matter. However, it is possible to find fan-fiction stories on Wattpad that combine Team Fortress 2, Freedom Planet, Sonic, and My Little Pony in a crossover. These stories often bring together characters from different universes and explore their interactions and adventures in a creative, fan-made storyline. To find such stories, you can search for keywords such as "TF2 Sonic MLP crossovers" or browse through the fan-fiction section on Wattpad that covers these franchises.