Donovan is best known for his role of Rock Lee from the critically acclaimed Naruto series.

[1] He has reprised his role of Rock Lee in Naruto: Shippuden[2] and in 2010, he was cast as the voice of Salty in Alpha and Omega and its sequel.

[3] Donovan is also known as the lead role of Davis Motomiya from Digimon Adventure 02.

[4][5] Donovan was set to reprise his role as Davis Motomiya in Digimon Adventure: Last Evolution Kizuna.

Due to the events of the COVID-19 pandemic and a fault in his home studio, however, the role was instead recast to Griffin Burns.