Yukkuri of the Springfield kids that aren't the Simpsons. Well, technically Rod, Dolph, and Jimbo are more pubescent\tween\teenaged, and Kearney's just a short young adult with an expecially shrill voice.
Row 1 - Lewis, Clark (bg characters that were friends to Bart in season 1), Todd, Rod.
Row 2 - Janey (bg character who is sometimes friends with Lisa), Ralph, Wendell (bg sickly albino kid).
Row 3 - Sherri, Terri, Uter (bg german exchange student).
Row 4 - Martin, Milhouse
Yukkustakku - Nelson on top of Dolph on top of Jimbo on top of Kearney