Koko

1940

• [ ] Typhoon (Koko) 

1950

• [ ] Hills of Oklahoma (Rex Allen's Horse (as The Miracle Horse of the Movies)) 

1951

• [ ] Rodeo King and the Senorita (Koko - Rex's Horse) 
• [ ] Utah Wagon Train (Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)) 

1952

• [ ] South Pacific Trail (Koko) 
• [ ] Border Saddlemates (Koko - Rex's Horse) 
• [ ] Colorado Sundown (Miracle Horse of the Movies) 
• [ ] The Last Musketeer (Koko) 
• [ ] Old Oklahoma Plains (Koko) 

1953

• [ ] Iron Mountain Trail (Koko) 
• [ ] Old Overland Trail (Rex's Horse) 
• [ ] Shadows of Tombstone (Rex's Horse) 
• [ ] Red River Shore (Rex's Horse) 
• [ ] Down Laredo Way (Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)) 

1954

• [ ] Phantom Stallion (Rex's Horse)