You're just hunkering down in one of the underground bunkers the Japanese made somewhere in the Philippines, and after heading out to relieve youself, you heard something deep in the forest, and as you listened and focused your eyes, you saw what looks like ridges, and... your face turns to confusion as you saw a Bob Semple tank slowly making its way towards your position.

COME HERE AND FIGHT ME!

it shouted, leaving you surprised.