Kallo is a very rare variant of Kale that first appeared in 2024 and is quickly gaining ground.
Kallo is a boy name. In 2025 it ranked #11,324 for boy births in the United States (and #23,344 across all names), given to 6 babies. Kallo first appears in 2024 and peaked in 2024 (6 births).
Boys named Kallo per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2024–2025 · U.S.+territories from SSA territory files (1998–2025)