Entry 18 has a special connection to one superstar. That superstar is the Heartbreak Kid Shawn Michaels. Over the course of his career, Michaels has entered the Royal Rumble match 12 times. Over the course of the 12 Royal Rumbles, he has entered the Rumble at the 18th entry 3 times.
The second time Michaels came out at the 18th entry was in his second Royal Rumble victory in 1996. In the 1996 Royal Rumble match, Shawn Michaels came out at the number 18th entry and proceeded to eliminate 8 other participants on his way to his second Royal Rumble victory in a row.
However, the most impressive thing is that the three times HBK has come out at the 18th entry, he has never finished outside of the final four and has an average of 6 eliminations between all the three entries. The other two times that he came out as the 18th entrant, he was eliminated 27th both times.
Hulk Hogan also has a good record at coming out as the 18th entry, with the Hulkster coming out at 18 in the 1989 Royal Rumble. Hogan set a record at the Rumble for the most eliminations for at a single Rumble by eliminating a third of the competitors, a record that wouldn't be surpassed for another 12 years until it was passed by Kane in 2001.
You can see the other entries in this series below: