Complex sentence: At first, she is viewed by others as "freakishly gloomy" and someone who "doesn't speak" but in addition to being anti-social and clumsy, she is also observant, kind, honest, supportive, and funny.
Split into simpler sentences: At first, she is described as "freakishly gloomy" and someone who "doesn't speak". In addition to being anti-social and clumsy, she is also observant, kind, honest, supportive, and funny.