Various characters found in Tokyo ESP appear identical or extremely similar to known pop-culture figures.
Rindo as Wolverine & Kouji Iwahata
Rindo Urushiba's character design is heavily influenced by Wolverine from the X-men comics. Rindo has Wolverine's distinctive hairstlye but is white in color. Rindo also sports Wolverine's civilan wardrobe wearing a leather bike jacket with the three rings around the sleeves, a ribbed white tanktop shirt, tight jeans, and a large belt buckle. Several times Rindo sticks three police batons inbetween his fingers mimicing Wolverine's trademark three-blade claws. Rindo also seems to have some influence of Kouji Iwahata, a character from Hajime Segawa's previous work, Ga-rei. In the anime, Iwahata and Rindo even share the same voice actor.
Edoyama-oyabun as Leonidas
Cayce as Steven Seagal
Roshi Yodani as Yoda
Under his panda suit Roshi Yodani's appearance is identical to that of the homonymous character from Star Wars series. The only difference is the colour of their skin.
Torada as Charlie Wax (John Travolta)
Torada is based off Charlie Wax, a character that potrayed by John Travolta from the movie From Paris With Love.
Andou Garcia as Jack Cayman
Hanao Chiaki as Chucky
Green Wantan as Green Lantern
Rhadamanthus as the Engineer
The Ghostbusters also make a cameo appearance in episode 3 of the anime.