LUFFY as JUNGKOOK. Y cos they both crackheads and good at everything hella strong and everyone is whipped for them. I can go on but id rather not. Plus they babies.

ZORO as YOONGI. Classic mean on the outside but big softies. Day one Manly ready to risk his life for his guys. Babies the babies (chopper, maknae line)
JIN as BROOK and SANJI. Y hes sanji cos he strong can cook is handsome and responsible. Y hes brooke is cos hes chill funny and slightly crackheadish but all around AMAZING.
NAMI as JIMIN. Both baddies get angry really quickly scaredy cats. No chill and they do it for the attention.
USOPP as HOBI. Scaredy cats but strong when necessary. FUNNY. Only sane members dont stand for any bs. CRACKHEADS.
ROBIN as JOON. SMART. Have a soft spot for soft things into books and architecture. Only sensible ones. Parental figures. BEAUTIFUL.