What is the strongest persona ever?

Could you elaborate on what you mean by "strongest persona"? Are you referring to a fictional character's strength of personality, physical prowess, or perhaps their influence and impact on their surroundings? If we're considering fictional personas, there are many candidates that could be argued as the strongest, such as Superman with his superhuman abilities, or perhaps Batman, who relies on his intelligence, training, and wealth to overcome challenges. Alternatively, if we're looking at historical or contemporary figures, figures like Mahatma Gandhi, who used non-violent resistance to bring about significant social change, could be considered strong in their own way. Ultimately, the answer to this question is subjective and will depend on one's personal criteria for strength.