One Piece Chapter 17, page 18-20: Chapter 17: HIGH LEVEL, LOW LEVEL

Buggy glares at Luffy, demanding, "YOU GUYS......CALL YOURSELVES PIRATES!?" Luffy points back at him confidently, demanding, "THAT'S RIGHT! NOW HAND OVER THE MAP OF THE GRAND LINE!!" Buggy sneers, "SO THAT'S WHAT YOU'RE AFTER. WELL, A COUPLE OF LILY-LIVERED, NO-NAME PIRATES LIKE YOU WON'T LAST A DAY ON THE GRAND LINE!! WHAT DO YOU PLAN TO DO THERE!? GO SIGHT-SEEING!?

Luffy declares with absolute certainty, "I'M GONNA BE KING OF THE PIRATES." Buggy is momentarily stunned, then bursts into mocking laughter, shouting, "DON'T BE A FOOL! IF YOU'RE KING OF PIRATES, THEN WHAT AM I!? GOD OF THE PIRATES!? THE WORLD'S TREASURE WILL BE MINE! SO FORGET IT!

Buggy draws several knives between his fingers, warning, "YOU'LL SOON REGRET YOUR WORDS, RUBBER BOY!" Luffy cracks his knuckles, bored, and says, "I'M GETTING BORED. OKAY, HURRY UP AND ATTACK ME." Buggy stares at Luffy's straw hat, his expression turning to anger as he says, "YOU AND YOUR STRAW HAT REMIND ME OF HIM WHEN HE WAS YOUNGER... THAT INSOLENT DOG WITH THE RED HAIR!!!" Luffy gasps in shock, repeating, "...RED HAIR!?