Scar

Scar is a criminal who bites and scratches people. His weakness is itching cream.

Nemesis with Ultra Kid
Scar met a superhero named Ultra Kid. Scar got in his robot armour and they began to fight. Ultra Kid used his ghost powers to disappear and sneak up behind Scar in order to beat him.

The next time Scar came back in a more powerful robot suit. Ultra Kid couldn't defeat him alone. Luckily Digital Man was passing by. Together they defeated Scar.