There are ten names of Arjuna:
arjunAh,
phAlgunah,
pArthah,
kireeti,
svEthavAhanah,
bheebhatsa, vijayah,
krishnAh,
savyasAchi,
dhananjayah.
(a childhood memory;
thanks to my father!)
*img src:
http://davidderrick.wordpress.com/2009/12/31/krishna-and-arjuna/