Which is the best name for my character?

[♯ Vanilla Bear♭]

Physical Description:
-- Male, age 23
-- Really short, slightly spiked brown hair
-- Blue eyes
-- 5'9", 130 lbs
-- Scrawny
-- Pale
-- Wears glasses
-- Has a medium-sized, visible scar on the back of his head

Personality:
-- Very focused and driven
-- Is more on the quiet side, but will talk if you address him
-- Doesn't accept failure by any means
-- Bottles up his anger until it reaches an "explosion" point
-- Deep thinker and always seems to be contemplating something
-- Major perfectionist
-- Insanely smart
-- Dubbed as his family's "genius" and the "professor" around his friends
-- Even though he's quiet, he has moderate social skills
-- Clean freak and wants everything orderly
-- Extremely stubborn
-- Unable to express his true emotions
-- Has a hard time admitting when he's wrong
-- Always covers up his feelings
-- Hates sudden and drastic change

Facts:
-- Is the assistant band director at a local high school
-- Loves music (it's his passion)
-- Can play the piano, drums, guitar, bass, saxophone, trumpet, and trombone
-- Has a twin brother, an older sister, and a younger brother
-- Tends to get sick easily
-- Has been married for two years
-- Has three nieces and two nephews
-- Cannot survive without coffee
-- Loves to travel when he can
-- Has bad insomnia that keeps him up for days with little sleep

NAMES TO CHOOSE FROM:
-- Colin Reilly
-- Jacob Reilly
-- Kevin Reilly
-- Nathan Reilly

Please only pick one name off the list above and say why you chose the name that you did. What do you think of him as a person? If you answer this question fully and completely, you are more likely to get ten points!