Went in and played with some sound clips I had to make them ready to upload here. Ended up adding a "Chorus" filter to some high pitched noises I made for a stop-motion, and the result was this! Enjoy :)
空間聲音/外星人笑
聲道：2
類型：wav
cartoon、laugh、beeping、alien、effect、space、squealing、noise、sound
動畫片、笑、蜂鳴、外僑、影響、空間、尖叫、噪聲、聲音
資料來源：freesound ( https://freesound.org )