>>81Yeah. Just as in English, you can represent a laugh many ways.
hahaha = ははは ・ はっはっはっhehehe = へへへ ・ へっへっへっhohoho = ほほほ ・ ほっほっほっsmile = にこにこ ・ ニコニコlaugh = 笑 ・ わらいlolololol = wwww
and a lot more.