Barney
Rex

Name ideas for your Rex from ARK players.
Thiccer then a snicker
Jaws
Bloodfang
Free Hugs
Rusty
Megatron(beast wars)
The granny from looney toons
Get Rexrolled
Rex Lugar
Rexterchief
Anjanath (monster hunter)
RunForYourLives
Megatron
Big raptor
T-Wreak
Bighead
Tallki if it is blue
Tina (from Welyn)
Tantarex