Todo's appearances in the JJK manga are scattered. It depends on the specific storylines and conflicts. Sometimes he's in the foreground, and other times he makes cameos to add to the overall narrative.
Deer Hunter was a novel by Faulkner, published in 1929. The story was about a banker named John De Haven, who was forced to commit crimes to save his family and himself during the Great Recession in the early 1920s.
Dhoven's novels were regarded as one of Faulkner's masterpieces for their unique narrative style and profound character creation. Through the perspective of the protagonist, John De Haven, it shows the various difficulties of American society and the complexity of human nature during the Great Depression-era.
I'm not sure specifically who Paco Gutierrez is in relation to Nintendo. There could be many individuals with that name. Maybe he was an employee, a game tester, or had some other role within the Nintendo company. Without more context, it's hard to tell the real story.