Bulkhead painting codes

While Cybertronians speak English, like most humans, they can also speak in their native language.

Transformers: PrimeEdit


When Bulkhead's mind started to be assimilated by information ejected from a data cylinder, his mind went to science and formulas. He began to eccentrically paint Cybertronian symbols on chalkboards and walls, using a broom like a paintbrush. 


Raf knows how to decode Cybertronian code since he learned from Ratchet.