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"
"narrow channel's son"
"wealthy companion"
"phonetic American invention"
"enthusiasm, ardent"
"morning"
"tortoise (alternative Japanese reading)"
"son of Emery"
"kingly"
"the Lord is my God"
"Botolph's town, market town"
"fair, pale, bright"
"divine messenger"
"little one"
"continuous improvement (via Kaizen)"
"rising in the sky, boundary"
"hollow (place)"
"God's helper (ezer + El)"
"lover of horses"
"rock, stone"
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.