Dr. Manhole

Dr. Aaron Manhole (May 25, 1962 - February 16, 1997) was an American hacker who was considered to be the most powerful and dangerous driller of the 1980s and 1990s.

During the events of Space Ninja Team Star Trigon, Magical Girl Team Lucky Star, and Mr. Driller, he was considered to be immortal.

Biography
Manhole was born on May 25, 1962 in Anaheim, California. Despite his hatred to Japanese people, he murdered his parents at a young age, so he can evade punishments. During his childhood, he commonly trolled the Anaheim Transportation systems in an attempt to get free rides and tickets to Disneyland.

After graduating from high school, he found his gift for code and started hacking multi-million dollar video game companies such as Namco, Taito, Konami, and eventually, Nintendo. He then went on a rampage to terrorize Japan. During those rampages, he killed Kanata Izumi, Konata's mother, who would eventually come back in 1990.