Espio

Espio (also known as Chameleon) is mobian chameleon ninja

Classic Era

 * Knuckles' Chaotix


 * Sonic the Fighters

Dreamcast Era

 * Sonic Heroes


 * Shadow the Hedgehog

Modern Era

 * Sonic Rivals 2


 * Sonic Colors


 * Sonic Generations


 * Sonic Forces

Mario & Sonic series

 * Mario & Sonic at the Olympic Games


 * Mario & Sonic at the Olympic Winter Games


 * Mario & Sonic at the London 2012 Olympic Games


 * Mario & Sonic at the Sochi 2014 Olympic Winter Games


 * Mario & Sonic at the Rio 2016 Olympic Games