Who do you think is the hardest boss? (That does not include mini-bosses)

#1huntertowePosted 11/7/2012 9:55:55 PM
For me, it is between Boolossus (Not sure if I spelled that right or not) and King Boo.
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Lakitus, metroids, bats. Whats the difference? They all fly and annoy everyone badly...