Vanellope sits next to 3 phonetic neighbors — Penelope, Enelope, and Vanessa are the closest matches by sound. Most share Vanellope's American (fictional)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"blend of Vanessa and Penelope; weaver of nets"
"modern American compound name"
"evening, twilight"
"joy, delight, happiness"
"God is gracious"
"life and grace combined"
"people's triumph"
"from Arcy (place in Normandy)"
"God is gracious"
"peace"
"noble strength with grace"
"from Zaria, princess of the city"
"paradise, place of pleasure"
"young warrior"
"princess (via Amira)"
"moonlight, halo of the moon"
"night, darkness"
"sonorous, resonant, pleasant-sounding"
"God will uplift"
"graceful meadow (Ana + Lee)"
Similar sound: These names share phonetic patterns with Vanellope — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American (fictional) origins, giving them the same cultural heritage as Vanellope.
Rhythm: Vanellope is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.