Who calls from this number and what do they want.

Talked in spanish! Claimed to be a relative. Tried to get me to give him info and to guess his name.

OMG same!
This is a scam

It's the "Grandparent SCAM."  Also known as the family emergency scam.  Block the number.  Here's some information:
Grandparent Scam
https://www.consumer.ftc.gov/articles/0204-family-emergency-scams
http://www.consumerfed.org/pdfs/Grandparent-Scam-Tips.pdf
http://opinionator.blogs.nytimes.com/2015/04/09/the-grandparent-scam/?_r=0

Mexican man claiming to be my nephew,  and had
A car accident and need money to pay the other
Person for the damage.  $650.00