Superboy in "The Worst Boy in Smallville"
Paul Westley is trying to get sent to reform school in order to find evidence to clear his late father's name. But Superboy turns his deeds into constructive ones and helps Paul find the evidence he needs.
Johnny Quick in "The Formula that Failed"
Shining Knight in "Camelot, U.S.A."
Green Arrow in "The Secret of the Masked Archers"