Drizzt Do'Urden

In "The Orc King" Drizzt's Epilogue and Prologue journal entries describe some of the changes he's seen since the Spellplauge wracked Faerun.
This would seem to indicate that the famed Drow is still active and fighting in Forgotten Realms.

Elminster

Elminster will still be a powerful figure, but he's afraid to use his magic now, not only because of the effects of the Spell Plague, but also because he's absorbed the memories of a number of powerful beings who tend to take over his mind when he attempts to use magic.
Source