SHARED MOLDS:
none

SHARED NAMES:
BW Optimus Primal (1995)
BW Ultra Optimus Primal (1996)
Transmetal Optimus Primal (1997)
Happy Meal Optimus Primal (2000)
Blast Punch Optimus Primal (2001)
RiD Optimus Primal (2002)
Universe Optimus Primal (2003)

Optimus Primal was based on the character of Optimus Prime

shared prefix:
G1 Optimus Prime (1984)
G1 PM Optimus Prime (1988)
G1 AM Optimus Prime (1990)
G2 Optimus Prime (1992)
G2 Hero Optimus Prime (1994)
G2 Laser Optimus Prime (1995)
G2 Go-Bot Optimus Prime (1995)
MW Optimus Prime (1997)
RiD Optimus Prime (2001)
HoC Optimus Prime (2001)
HoC PM Optimus Prime (2001)
HoC PM Spark Optimus Prime (2001)
HoC Axe Optimus Prime (2001)
RiD Spychanger Optimus Prime (2002)
Happy Meal Optimus Prime (2002)
Armada Super-Con Optimus Prime (2002)
Armada Optimus Prime (2002)
CS I Optimus Prime (2002)
CS II PM Optimus Prime w/ Apex Bomber (2002)
Universe Optimus Prime (2003)
Armada Powerlinx Optimus Prime (2003)
Giftset Powerlinx Optimus Prime (2003)
Spychanger Optimus Prime (2004)
Universe Spychanger Optimus Prime (2004)
WSTF Anime Optimus Prime (2004 - Japan)
WSTF Optimus Prime (2004 - Japan)
WSTF white Optimus Prime (2004 - Japan)
Energon Optimus Prime (2004)
20th Anniversary Optimus Prime (2004)
HoC Optimus Prime w/ communicator (2004)
TRU Energon Optimus Prime (2004)

In Japan, Optimus Prime was named Convoy

Transmetal Optimal Optimus (1998)

Transmetal 2 Optimus Minor (1999)

shared suffix:
BotCon Onyx Primal (1996)

Transmetal Primal Prime (2000)