Because of his obviously genius-level skill, X became famous overnight and was hounded by paparazzi so viciously that he eventually became a shut-in and/or agoraphobic in response.

Source: https://gamerant.com/pokemon-manga-disturbing-moments/

This genius-level penguin can McGuiver together all sorts of inventions that can warp time and space but can't seem to master reading.

Source: https://collider.com/most-iconic-jeff-bennett-characters/