Probably because he is… kind of like ELEX 2's version of Dandelion .
Also, slight digression, but I find a bit amusing that there once was so much blown out of proportion whining about Mass Effect Andromeda characters' faces, even from that game initial trailers, while I for one find that Elex II faces -and eyes especially- are looking freaking strange. But that's anecdotical I guess.
Well, Bjoern Pankratz (project lead ELEX & ELEX 2) has coincidentally actually stated just this week that the Mass Effect series (which he loves) was a major source of inspiration for ELEX and ELEX 2 and he said that he is currently playing Andromeda again .
It's all in this German language video: