Niklas uiga igoa sili: Faauo, Fiafia, Toaga, Po nei, Foafoa. Aumai Niklas uiga o le suafa.
Groff uiga faaiu sili: Agalelei, Agavaa, Po nei, Toaga, Faauo. Aumai Groff uiga o faaiu.
Niklas amataga o le igoa muamua. Swedish form of Nicholas. Aumai Niklas amataga o le igoa muamua.
Niklas igoa diminutives: Claes, Klas, Nils. Aumai Nicknames mo Niklas.
E tusitusiga po o le auala e faalauiloa le igoa muamua Niklas: NIK-lahs (i Swedish), NEEK-lahs (i Finnish). E faapefea e faalauiloa Niklas.
Igoa tutusa mo Niklas i atunuu ma gagana eseese: Col, Colin, Collin, Kai, Kay, Klaas, Klaes, Klaos, Kolos, Kolya, Miklavž, Miklós, Mikołaj, Mikoláš, Miksa, Mikula, Mikuláš, Mykola, Neacel, Neculai, Nic, Niccolò, Nichol, Nicholas, Niĉjo, Nick, Nickolas, Nicky, Nico, Nicol, Nicola, Nicolás, Nicolaas, Nicolae, Nicolao, Nicolaos, Nicolas, Nicolau, Nicolaus, Nicolò, Nicu, Nicușor, Niek, Nigul, Nik, Nika, Nikica, Niko, Nikola, Nikolaas, Nikolai, Nikolaj, Nikolajs, Nikolao, Nikolaos, Nikolas, Nikolay, Nikolche, Nikoloz, Nikora, Nikša, Nikusha, Nioclás. Aumai Niklas i isi gagana.
Surnames taatele ma igoa Niklas: Lodsberg. Aumai Lisi o surnames ma igoa Niklas.
O le tele o igoa tutusa ai ma faaiu Groff: Mardell, Timothy, Timmy, Nick, Long. Aumai Igoa e aumai faatasi Groff.
Ogatasi o Niklas ma Groff o 81%. Aumai Ogatasi o Niklas ma Groff.