Bob E. Cagayan/IF-18.271
From Blaseball Wiki

This article contains lore created collaboratively by the Blaseball community. It is just one of many Rumors that we've found in the Interdimensional Rumor Mill. You can find more Rumors about Bob E. Cagayan at their Rumor Registry.
Bob's middle name is actually the sound of a cathode-ray television left on in the next room over. This takes a long time to say, so he generally abbreviates it "E."