is gruff a welsh name?
Gruff (GRIF) - The most common nickname for Gruffudd / Gruffydd itself is the shortening Gruff, though this has less independent usage than Guto. Gruff has been rising as a given name since 2006 and in 2012 was given to 12 babies. Gwìl - A shortening of Gwilym, the Welsh form of William.