Simplify the following text for a Grade 7 native English-speaking person.
Original: After Finlayâ s victory over Paul Burchill , an extremely hyper , dirty , mysterious little man ( Postl ) in a leprechaun costume scurried out from under the ring and jumped on Burchill , laughing maniacally all the while .
Simplified: After Finlayâ s victory over Paul Burchill , a little man ( Postl ) crawled out from under the ring and jumped on Burchill .