Johnny sits next to 4 phonetic neighbors — Jonny, Donny, and Ronnie are the closest matches by sound. Most share Johnny's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Yahweh is merciful"
"Yahweh is my flame"
"son of Cole"
"one who carries loads, carrier"
"the crowned one"
"of the Caspian Sea"
"king, royalty"
"little rock, harmony"
"Frenchman"
"record keeper"
"may God protect"
"ruler's counsel"
"true, faithful"
"fair, pale, bright"
"manly, strong, courageous"
"from Attica, man of Athens"
"merciful, gentle"
"wise protector"
"fearless, not cowardly"
Similar sound: These names share phonetic patterns with Johnny — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Johnny.
Rhythm: Johnny is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.