From left to right: G-5, G-3, G-2, G-4, G-1 (a.k.a. Gatchaman)
The color codes on top of the wallpaper are for the capes of science ninja teammates while the color codes shown at the bottom are for the entire costumes of the teammates themselves(excluding capes). G-4 is green cape with brown costume, G-3 is white cape with pink costume, G-2 is light blue cape with dark red costume, G-4 is yellow costume with dark blue cape, G-1 is white cape with white costume.