These Two Have Appeared In The Same Thingさんのイラストまとめ

Scarlett Johansson and Hatsune Miku appeared in a commercial together

Marco Rossi (Metal Slug) and Shinji Ikari (Neon Genesis Evangelion) appeared in Battle Cats together

Auron (Final Fantasy) and Chicken Little appeared in Kingdom Hearts II together.

Red (Angry Birds) and Hello Kitty appeared in Sonic Dash together

Sonic the Hedgehog and Flo (Progressive) appeared in a commercial together

Xavier Woods (WWE) and Master Chief (Halo) appeared in Super Bomberman R together

Heihachi Mishima (Tekken) and Spawn (Image Comics) appeared in Soul Calibur II HD together

Evangelion Unit-01 and Sonic the Hedgehog appeared in Puyo Puyo Quest together

PaRappa (the Rapper) and Issac Clarke (Dead Space) appeared in PlayStation All Stars Battle Royale together

Kirby and Reimu Hakurei (Touhou Project) appeared in Taiko Drum Master together