Niki is the short name for Nicholas (Nikolaus).
http://en.wikipedia.org/wiki/Niki_Lauda
Some Photos of Niki Jedlicka:
http://www.ccc.co.at/v1/infusions/ga...9&page=all
http://www.ccc.co.at/v1/infusions/ga...ry.php?id=1622
Photos are from the Austrian Classics 2007 (28. & 29. Sept.), yes he won both (more are coming).