SINDRI m Norse Mythology, Icelandic
Possibly means either "small, trivial" or else "sparkling" in Old Norse. In Norse legend this was the name of a dwarf who, with his brother Brokk, made many magical items for the gods.

ACHAN m Biblical
Possibly a variation of the Hebrew word achar meaning "trouble".

ALVIN m English
Pronounced: AL-vin
Means "elf friend" from the Old English name Ælfwine, which was formed of the elements ælf "elf" and wine "friend".

THEOPHILUS m Biblical, Ancient Greek (Latinized)
Pronounced: thee-AWF-i-lus
Means "friend of god", derived from Greek theos "god" and philos "friend" (just thought it was cute cuz I like Theo for short lol)

RUFUS m Ancient Roman, English, Biblical
Pronounced: ROO-fus
Roman cognomen which meant "red-haired" in Latin.

SAMSON m Biblical, English
Pronounced: SAM-sun
From the Hebrew name Shimshon which probably meant "sun".

YOKO f Japanese
Means "sun child" in Japanese.

Good luck! Can't wait to see pics of the new hammy!