Player character art from the Liberated Pixel Cup (Universal LPC Spritesheet Character Generator).
Authors: Benjamin K. Smith (BenCreating), Durrani, Eliza Wyatt (ElizaWy), ElizaWy, Evert, JaidynReiman, Joe White, Johannes Sjölund (wulax), Manuel Riecke (MrBeast), Matthew Krohn (makrohn), MuffinElZangano, Nila122, Pierre Vigier (pvigier), Radomir Dopieralski, Stephen Challener (Redshrike), TheraHedwig, bluecarrot16, kcilds/Rocetti/Eredah
Licenses: CC-BY 4.0, CC-BY-SA 3.0, CC0, GPL 2.0, GPL 3.0, OGA-BY 3.0
Full list: https://github.com/liberatedpixelcup/Universal-LPC-Spritesheet-Character-Generator/blob/master/CREDITS.csv
Recoloured for GATEmon; the recoloured sprites are shared under CC-BY-SA 3.0.