Kjersti Weinsdotter is a character from Popugirls. She is a Danish girl who is best known for being the "nerdy one", and thus is often seen as lesser-than by other people. She also is dating Toris Laurinaitis, a Lithuanian, who is similarly awkward.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...