Johnny has yellow hair with scarlet red highlights and he has bright blue eyes. He was seen wearing a navy blue short sleeved dress shirt, a black t shirt, green pants, and black tennis shoes. His swimwear was orange, yellow, and dark pink swimming trunks. And his disco outfit was a navy blue t shirt, red pants, a light blue and light gray cap, a yellow collar, a green sash, black glasses, and bright blue shoes.
- Sleepwear - Light cyan blue pajamas with purple and light gray slippers.
- Alternate sleepwear - Dark grayish black pajamas with bright yellow radio active symbols.
- Western outfit - Green t shirt, blue and brown pants, brown vest, red bandana, usual tennis shoes, and brown cowboy hat.
- Early 50s outfit - Red t shirt, dark pink vest, gray pants, and brown shoes.