Frog man

The Frog man is a contendant in the 64th World Tournament in Nubescout.

Zeel Saga
Frog man is a small man who's only slightly taller than Krillin who attends the 64th World Tournament where he's beaten by Android #18.

Demon lord Saga
Frog man tries to defeat the Demon lord Okkutoshi but is killed by his Imp soldier.

Trivia
Frog man is one of the weakest (if not the weakest) character that appears in Dragonball NG as his powerlevel is 2,000.