Ryūji Saikachi (槐柳二 Saikachi Ryūji, born March 27, 1928, died September 29, 2017) was a Japanese actor and voice actor. most known for the roles of Prof. Pat Pending (Wacky Races, Japanese dub), Rerere no Ojisan (Tensai Bakabon), and Grandfather Otonashi (Maison Ikkoku).
- Peter Pan (Mr. Smee)
- The Aristocats (Napoleon)
- Robin Hood (Sir Hiss)
- The Fox and the Hound (Mr. Tiger)
- The Great Mouse Detective
- Castle in the Sky (Old Engineeer)