dive (dived, dived)
HeadFirst PD was created in 1992.
Headfirst Productions ended in 2006.
Headfirst Productions was created in 1998.
Headfirst for Halos was created in 2002-05.
Jack jumped over the candlestick.
No, "jumped" is not a noun; it is a verb. Verbs typically express action or a state of being.
I jumped over the third hurdle in the race.
Headfirst Straight to Hell was created on 2001-08-21.
yes,it is
Leapt
No. (I) jumped is the simple past, and (I have) jumped is the present perfect of the verb to jump.