Suggestions by @everestthebeautiful

Bunga

as Cameos in Phineas and Ferb

Kion

as Cameos in Phineas and Ferb

Zira

as Cameos in Phineas and Ferb

Scar (The Lion King)

as Cameos in Phineas and Ferb

Pumbaa

as Cameos in Phineas and Ferb

Timon

as Cameos in Phineas and Ferb

Kovu

as Cameos in Phineas and Ferb

Kiara

as Cameos in Phineas and Ferb

Nala (Disney)

as Cameos in Phineas and Ferb

Simba

as Cameos in Phineas and Ferb

Mabel Pines

as Cameos in Phineas and Ferb

Dipper Pines

as Cameos in Phineas and Ferb

Princess Calla

as Cameos in Phineas and Ferb

Pluto (Disney)

as Cameos in Phineas and Ferb

Goofy

as Cameos in Phineas and Ferb

Daisy Duck

as Cameos in Phineas and Ferb

Donald Duck

as Cameos in Phineas and Ferb

Minnie Mouse

as Cameos in Phineas and Ferb

Mickey Mouse

as Cameos in Phineas and Ferb

Perdita (101 Dalmatians)

as Cameos in Phineas and Ferb