|Species||Mutated Geochelone Aerio|
|Occupation(s)||Brawn of Terraspins|
Selective Mana Immunity
Poison Gas Immunity
Silver (Adoptive Father)
|Voice Actor||Anthony Padilla|
Jeronimo is the brawn of the Terraspins.
He has the same appearance as canon Terraspin. His face contains red around his eyes. He retains the Omnitrix on his chest, however, the panel is the red from his face.
He retains all the powers of a Geochelone Aerio.
He has abilities with sai.
He retains all the weaknesses of a Geochelone Aerio.
- He is inspired by Raphael from the canon TMNT.