useless trivia: What Word Means: Lucan, Of The Evangelist Luke Or His Gospel?

Questions

[science and technology] what is the instrument used to measure atmospheric pressure?

[science and technology] what colour spots has the common ladybird?

[General knowledge] what gas mark is equivalent to 350 degrees fahrenheit?

[General knowledge] in the american sitcom "frasier" what is frazier cranes brother called?

[General knowledge] in us military slang what does "charley" mean?