A playing ghostly figure with a white sheet and tongue out trying to scare you.
An Indian man with a turban. This icon maybe considered not politically correct in America.
Only the Thumb and index finger connected to make a circle with no additional gesture usually means you're perfect, don't worry about it. It's only a coinsidence that the hex for this Apple/Softbank emoji is e420 :) iEmoji old name: Okay sign. Softbank: 手(オッケー) 「手(otsukee)」U+E420 DoCoMo:'Accept' 決定 U+E70B KDDI: ＯＫ！U+EAD4