The Moon is male, the Sun is also male or (much more rare) asexual
The sun and/or the moon are inanimate objects thrown up to the sky or fixed in the sky
The Sun and the Moon are two persons one of which is pursuing another in the sky or pursued him or her when they were rising to the sky from the earth
After passing half of the its way across the sky (in the day time) or in the underworld (in the night time), the Sun stops to have a rest
Human being or imprint of human being is seen in the moon
The Sun is female, the Moon is male or (more rare) also female
Another sun, usually less benevolent and/or powerful, existed before the present one
Person intentionally and with special equipment (usually shooting arrows) attacks the Sun (or several suns if they were many)
Coming together of the Sun and the Moon is the reason of their eclipses
A spider attackes the Sun or the Moon (usually produces lunar eclipses)