That's why we call him Lolda.
Introducing badass characters to never show them again and never give them important roles in the actual story.
Way to keep the audience reading his manga.
Biggest disappointment is still Dragon. The guy was shown in LOGUETOWN and I was totally hyped and had no idea who this guy is.
And not only does Oda barely show him NO, he is also being sidelined by Sabo.