Green Lantern Birthday Party Supplies When a new enemy threatens the universe, the Green Lantern's fate depends on the first human ever selected: Hal Jordon. Warner Bros. comic book hero Green Lantern. The most outstanding boy's Birthday Party Ideas start with a great birthday party theme, so for one that is sure to be a hit, try a fantastic Green Lantern Birthday Party, start with our amazing selection of Warner Bros. Comics Green Lantern Birthday Party Supplies. Green Lantern makes a great party theme idea for an amazing Birthday Party! Have a party to remember this year with an extreme boy's birthday party theme featuring Green Lantern! Great Birthday Parties start with Great Birthday Party Supplies!