Who was the first player to score 2 touchdowns in a Super Bowl?

Through Super Bowl XLII 1) Jerry Rice - 7 with the 49ers (SB XXIII - 1, SB XXIV - 3, SB XXIX - 3) and 1 with the Raiders (SB XXXVII).

2) Ricky Proehl - 1 with the Rams (SB XXXVI) and 1 with the Panthers (SB XXXVIII).

3) Muhsin Muhammad - 1 with the Panthers (SB XXXVIII) and 1 with the Bears (SB XL).