Chap with time for one note on a Renaissance painter

• "Simpsons" mob boss voice
• Method, say, in which to obtain backing for an artist
• Italian painter and engraver noted for his frescoes (1431-1506)
• Old artist in collection ultimately kept by loaded magnate
• Joe of "Criminal Minds"

Wikipedia Word definitions in Wikipedia
Mantegna refers to: Andrea Mantegna (Italian painter) Joe Mantegna (American actor)