As per the Patron Saint Index, there is no patron saint of chocolate. However, Drogo is the patron saint of:
against bodily ills
against broken bones,
against deafness
against dumbness
against gall stones
against hernias
against illness
against insanity,
against mental illness,
against muteness
against ruptures
against sickness
Baume-les-Messieurs
cattle
coffee house keepers
coffee house owners
deaf people
Fleury-sur-Loire
mentally ill people
midwives
mute people
mutes
orphans
sheep
shepherds
sick people
unattractive people
Saint Drogo is the patron saint to mute people.
Patron saint of coffee and coffehouses is Saint Drogo (flemish nobleman and hermit) He is usually depicted as a benedictine monk with a lamb at his feet and holding a mug.
St. Blaise is often considered the patron saint of speech therapists. He is also known as the patron saint of throat ailments and protection against illnesses.
I can find no official patron saint of chocolate.
There is no male or female saint of chocolate.
Saint Drogo died on 1186-04-16.
Saint Drogo was born on 1105-03-14.
The patrons of unattractive people are St. Drogo and St. Germaine Cousin.
Saint Drogo was never officially canonized by the Catholic Church.
Saint Drogo was never officially canonized by the Catholic Church. He is considered a saint by popular acclaim and local cult, but he does not appear in the formal Roman Martyrology or Universal Calendar of Saints.
St James the Greater, the Apostle is the patron saint of Rheumatism, Arthritis, and RA as well as being the patron of Spain and Pharmacists. St. Alphonsus Maria de Liguori suffered tremendously from a crippling arthritic condition and some say he is as well. However, the R.C. Church recognizes St. James.
The Patron Saint Inex lists no patron saints of bears.