Richard Rider

Peter never expected that after returning to Earth, he would somehow end up with a "younger brother." That was right, Richard Rider. After hearing that Peter had personally killed Corvus Glaive and Cull Obsidian, played a major role in the operation to kill Thanos, and had practically been the main force behind Thanos's death, the guy worshipped Peter beyond measure. He cried and begged to stay with Peter. Ahem. Not that kind of staying together. He wanted to take Peter as his master and learn from him.