Board Thread:Manga Discussion/@comment-48285-20180127054945/@comment-4828844-20180312131434

Jaadowgg wrote: They all look different from when they first appeared. I mean, seriously, go back to the chapter where we get introduced to the guys going to Yorknew and then look back at the last chapter. Huge difference in some of their looks. Also, my guess is that Togashi didn't realize Chrollo's hair was so thick in Heaven's Arena. However, going for an in-universe answer, he probably used a little bit of hair thinner while he was on the Black Whale. Well, all Troupe members do look different. They have this silently angry ambiance around them; Machi and Nobunaga look like on a different level of pissed off (apart from Chrollo).

Also, when Illumi introduced and mentioned his brothers, it got me thinking whether the Troupe members know who Killua is. Did they have any idea that this Killua is the same boy they met in Yorknew?