People named Mathis are usually friendly, talented and helpful guys which keep their word but might also be a little lazy sometimes.
While the name is often used as surname it's (especially in Europe) a not uncommon forename as well.
Other variations of the name are Matthis, Mattis or Matthias.
Also the "City of Mathis" is a small town in Texas.
"Yeah! He is a weird, never talk to him!'