The Voice of Reason Friend

What is a good name for a friend who is a sensible voice of reason who provide some assistance and logic to the protagonist on their journey and life. It is sensible, witty, charismatic, down to earth, smart, intelligent, loyal, easygoing, laid-back, honest, helpful, assertive and confident.

[name_m]Boy[/name_m] names

[name_u]George[/name_u]
[name_u]Clarence[/name_u]
[name_u]James[/name_u]
[name_m]Oliver[/name_m]
[name_m]Apollo[/name_m]

[name_f]Girl[/name_f] names

[name_f]Athena[/name_f]
[name_f]Isabella[/name_f]
[name_f]Amelia[/name_f]
[name_f]Alice[/name_f]
[name_u]Louise[/name_u]

[name_u]Sage[/name_u].

[name_f]Imogen[/name_f]
[name_f]Ada[/name_f]
[name_f]Grace[/name_f]

[name_u]Owen[/name_u]
[name_m]Felix[/name_m]
[name_u]Joseph[/name_u]