
1) Cal 
Found on 
https://www.crosswordclues.com/clue/calvin

1) Chemist 2) English boy name 3) German boy name 4) Irish boy name 5) Latin boy name 6) Luther contemporary 7) Melvin calvin 8) Presidential prename 9) Protestant reformation leader 10) Protestant reformer 11) Title cartoon boy 
Found on 
https://www.crosswordclues.com/clue/calvin
 [Calvin and Hobbes]
[Calvin and Hobbes]  Calvin is a fictional character, and is the title character of the comic strip Calvin and Hobbes by Bill Watterson. Calvin demonstrates a level of wisdom, vocabulary and humor unusual for a six year-old boy. However, in many ways he is typical for his age: he absolutely hates baths, and fears and hates his babysitter, re...
Found on 
http://en.wikipedia.org/wiki/Calvin_(Calvin_and_Hobbes)
 [Toronto]
[Toronto]  website, permission from owner. ...
Found on 
http://en.wikipedia.org/wiki/Calvin_(Toronto)_Presbyterian_Church
 [given name]
[given name]  Calvin is a given name. It has been especially popular among American Protestants, who may be baptized as John Calvin to honor the religious leader, but are later known as `Calvin`, `Cal`, or `JC`. Notable people with this name include: Fictional characters: ...
Found on 
http://en.wikipedia.org/wiki/Calvin_(given_name)
 noun
 noun United States chemist noted for discovering the series of chemical reactions in photosynthesis (1911-)
Found on 
https://www.encyclo.co.uk/local/20974

Calvin is a Latin name for boys. The meaning is `brave` The name Calvin is most commonly given to Scottish boys. (3 times more often than to American boys.) If it's too long you might use: Cal What do they use in other countries? Vinnie (English) The name sounds like: Galvin, Galvon, Galven, Galvan, Gallvin, Kalvyn, Kelvin
Found on 
https://www.pregnology.com/names/boys/Calvin
  No exact match found.