A motorcycle accident in 2001 left Maeda with limited ability in his drawing hand but he continued to use his computer to create characters and write scripts.
His favorite writers are Neil Adams, Gil Kane, Takao Saito, Osamu Tezuka and Go Nagai.
Toshio Maeda once collaborated with Ikki Kajiwara (the creator of Ashita no Joe and Tiger Mask) on a manga known as Ashita e Kickoff in 1976.
Was mentored by Kenji Nanba.
Was good friends with the late Takao Saito, who is best known for creating Golgo 13.