 Introduced in season five (though alluded in season four's finale where he was part of the  Ship carrying the Disciples of Zod), he first appears under the Milton Fine name, posing as a history professor at (fictional) Central Kansas A&M University and presenting himself as a Kryptonian ally to trick Clark Kent into releasing Zod from the Phantom Zone.
<meaning-changed>  Introduced in season five (though alluded in season four's finale where he was part of the  Ship carrying the Disciples of Zod), he first appears under the Milton Fine name, posing as a history professor at (fictional) Central Kansas A&M University and presenting himself as a Kryptonian ally to trick Clark Kent into releasing Zod from the Phantom Zone.
 Introduced in season five (though alluded in season four's finale where he was part of the Black Ship carrying the Disciples of Zod), he first appears under the Milton Fine name, posing as a history professor at (fictional) Central Kansas A&M University and presenting himself as a Kryptonian ally to trick Clark Kent into releasing Zod from the Phantom Zone.