Tad is a blue baby frog who is playable in Frogger 2: Swampy's Revenge.
Official Bios
Frogger 2: Swampy's Revenge Bio
"He may be small, but this baby frog already has the skills to give his big sister a run for her money. When not getting lost he's always eager to compete in multiplayer games and prove he's grown up enough for his own adventures." [1]