An American football fan who went viral for his disappointed expression during a game opened up about his newfound fame . The Longhorns (Texas) fan, Grant Walther , revealed that he hoped to turn his internet virality into help for a charitable cause. Moreover, he expressed his wish to have Matthew McConaughey shave his now-iconic hair to raise money for cancer research. Highlights Grant Walther went viral for his disappointed expression during a Texas game. Grant hopes to turn his viral fame