From SmashWiki, the Super Smash Bros. wiki
[[User:{{{1}}}|{{{1}}}]] ([[User talk:{{{1}}}|talk]]•[[Special:Contributions/{{{1}}}|contribs]]•logs)
Provides some useful links to a user, for example: {{user|AltAcnt}} gives following: AltAcnt (talk•contribs•logs)