Felie's list "26/2016" of 3 great name ideas: Theodor - Willi!

26/2016

Theodor is a classic masculine name of Greek origin meaning "gift of God," derived from the elements "theos" (God) and "doron" (gift). This spelling variant is particularly popular in Germanic and Scandinavian countries, including Germany, Austria, Norway, and Sweden. While the Theodore spelling is more common in English-speaking regions, Theodor has gained appreciation for its sophisticated European flair. The name has been borne by numerous notable figures throughout history, including composer Theodor Adorno, writer Theodor Herzl, and children's author Theodor Geisel (better known as Dr. Seuss). Theodor offers parents a timeless yet distinguished name option with appealing nickname possibilities including Theo, Ted, and Teddy.

Theodor

The popular appeal of the strong, intelligent Saint Teresa of Avila, combined with the selfless compassion of the more recent Mother Teresa, have fused to give this second-tier classic a somewhat noble, religious image. Although the origins of the name are uncertain, it has been prevalent particularly in forms Theresa, Teresa, and Therese throughout Europe for centuries. 
 Mother Teresa was born Anjeze/Agnese Gonxhe; when taking her vows, she chose to be named after Thérèse de Lisieux, the patron saint of missionaries, but because another nun in the convent had already chosen that name, she opted for the Spanish spelling Teresa.
 A Top 100 name until the 1960s, reaching Number 32 in 1956, Theresa fell off the list completely in 2011, while the sleeker Teresa still holds at Number 719; it was as high as Number 18 from 1961 to 1963.
 Currently, a leading character on The Mentalist is Teresa Lisbon.
 Short forms Tess,Tessa, Tressa, or Tea are more popular now than the old Terry or Tracy. An interesting variation is Tereza, as in Milan Kundera's The Unbearable Lightness of Being. Mia Farrow's sister Theresa is known as Tisa.

Theresa

Willi is a masculine name primarily used in German-speaking countries as a diminutive form of Wilhelm, which derives from Germanic elements meaning 'will' or 'desire' and 'helmet' or 'protection.' This shortened variant maintains the friendly, approachable quality common to nickname forms while functioning as a standalone given name. In Germany, Austria, and Switzerland, Willi enjoyed considerable popularity throughout the 20th century, particularly among generations born between 1920-1960. The name carries a classic, somewhat vintage appeal in its native regions. Outside German-speaking areas, Willi might be chosen to honor German heritage or appreciated for its simple, friendly sound. The spelling variant 'Willy' is more common in English-speaking countries.