From sona pona, the Toki Pona wiki

mi jan Sewaka. (Se-Waka, Se Waka)

you see that <jan> in that last sentence? I have... opinions about it.

do not use a Toki Pona word to refer to my TP name in English. In English, I'm just Sewaka (if you must use my TP name), or Vector / Vector Graphics / Jay.