Heraldry.
Names do not have crests or coats of arms. Some individuals have coats of arms. Some families have crests; and some families of the same name do not.
The best way to see the Coats of Arms associated with the Martinze name is to do aGoogle search on "Martinez Coat of Arms"
red coats
Red coats
Coats of Arms are associated with particular people or families of prominence, such as royalty and nobles, not with a surname.
The "Red Coats," after the color of their uniforms. Loyalists
amrericans, blue coats, or patriots.
Considering Chen is a Chinese name, there would not have a coat of arms. Coats of arms are a European invention and apply predominantly to Great Britain, France, Germany, and Italy - and then mostly to the nobility.
Chris Coats's birth name is Christopher William Coats.
Yes, the last name Moreno does have a coat of arms, which varies by region and family lineage. Typically, these coats of arms feature symbols and colors that reflect the family's history, values, and origins. To find a specific coat of arms associated with the Moreno surname, one would need to research the particular lineage or regional heritage.
Arms Race
Geraldine Coats's birth name is Geraldine Tubbs.