User blog comment:Raheem The Dream/Manic & Sonia The Hedgehogs as DLC playable characters requested in SMASH 4 3DS/Wii U verisons!/@comment-15197626-20141108152055/@comment-6604133-20141109211148

It's something Wikia does. If you click on a comment in Recent Activity, it will highlight it so you can directly find it, as opposed to having to search through the entire comment section :P