conspiracy 1. he's been abducted by aliens or kidnapped by the CIA, we will avenge him.
"H3110 th!s is agent miçh∆3l of the IÇPØ, ∆!!3n is with me"

conspiracy 2. When Allen separated from the others in Japan, the reality was that the people who left with him were not friends but kidnappers who blackmailed him into coming with them.
conspiracy 3. Allen is secretly a part of the Chinese mafia and he had to leave due to the global warming myth by trump to assassinate him
conspiracy 4. Allan is part of the French mafia as cited by Mr Mower in biz class. One can observe his broken french accent when he usually talks. During term break, he visited France to report to his superiors but never returned due to "re-educating"
conspiracy 5. Allen has gone into slumber in a parallel world. One day he will rise and appear on earth again, under the alias of Ollen, and will aim to conquer the world as he attempted to do in our own timeline but did not succeed.
conspiracy 6. Allen is still in Akihabara, Tokyo
consitracy 7. Allan has evolved and become self aware and has Zero Sumed out of existance.
conspiracy 8. Allen has 2 l's. Allen
had one blog post . 1=l. 3 l's in latin is III which is 3.
Allen
Lalen
Lapen
Lupen
lupin.
Lupin + III=
Allen went to Japan. That was the last time we saw him.