Gustav

[seeing the tank/ship girl trend i decided to introduce my personal favorite wonder weapon Die Schwerer Gustav] Gustav railway cannon, tallest out of everyone else, wears a uniform most of the time, towering figure, reload speed: 35/40 minutes, Muzzle velocity: 820 m/s H.E, 720 m/s A.P, Effective firing range: 39,000 metres. Maximum firing range: 48,000 metres, H.E 38,000 metres A.P. Height 11.6 meters, (your whom you choose to be)