Alastair Charles Ralphs is a Canadian professional wrestler and former bodybuilder, better known by his ring name, A-1. He is best known for his appearances with Total Nonstop Action Wrestling (TNA) from 2004 to 2007 as part of Team Canada.

On July 16, 2004, Ralphs appeared in Total Nonstop Action Wrestling, losing to Sabu. He reappeared on March 13, 2005 as a member of Team Canada, replacing the injured Johnny Devine at Destination X 2005 to face AMW & 3 Live Kru. At Hard Justice on May 15, Ralphs took part in the Gauntlet for the Gold. He entered at number six and was eliminated by The Outlaw and B.G. James. at No Surrender 2005, Team Canada defeated The Naturals and Lance Hoyt in a six-man tag team match. at Sacrifice 2005, Team Canada defeated America's Most Wanted and The Naturals in an Eight-man tag team match. At Unbreakable, Team Canada competed in a Four-way elimination tag team match for the NWA World Tag Team Championship which was won by The Naturals. at Bound for Glory 2005, Team Canada defeated 3Live Kru. at Genesis 2005, Team Canada lost to 3Live Kru in a 6-Sided Stick Fight. at Turning Point 2005, Team Canada defeated 3Live Kru and Kip James. on the December 31 episode of Impact, A-1 lost to Rhino. on the Final Resolution 2006 Preshow, Team Canada defeated Jay Lethal, Kenny King, and Lance Hoyt. on the January 21 episode of Impact, Team Canada defeated Ron Killings, Lance Hoyt and Shark Boy. on the Against All Odds (2006) preshow, A-1 lost to Ron Killings. on the February 18 episode of Impact, A-1, Petey Williams and Bobby Roode lost to Ron Killings and Team 3-D in a six-man tag team match. on the February 25 episode of Impact, A-1 and Bobby Roode defeated The James Gang. at Lockdown 2006, Team Canada lost to Team 3D in a Six Sides of Steel Anthem match. On the June 29, 2006, episode of Impact!, TNA Management Director Jim Cornette disbanded Team Canada. A-1 soon began wrestling sporadically, facing Ron Killings in the pre-show of the Hard Justice pay-per-view and against Eric Young at the No Surrender pay-per-view, losing both times. He also took part in the Kevin Nash Open Invitational X-Division Gauntlet Battle Royale at Bound for Glory 2006, despite not being a part of the X-Division. He was eliminated by both Maverick Matt and Kazarian. A1 was released by TNA on February 23, 2007.

After being inactive from 2009 to 2015, A1 quietly returned to a Border City Wrestling show in January 2015. He has since been an active member of their roster. Since returning, A-1 has also made appearances for UCW in Michigan and Greektown Pro Wrestling in Toronto. On October 14, 2017, A1 unsuccessfully challenged Eli Drake for the Impact Global Championship in a match for Border City Wrestling. The match later aired as part of an Impact One Night Only special Canadian Clash. He returned to Impact Wrestling on March 3, 2018, at the Impact One Night Only special March Breakdown pay-per view, where he teamed with Allie defeating the team of Braxton Sutter and KC Spinelli. On June 1, 2018, A1 returned making appearances on Xplosion tapings in a tag team match teaming with El Reverso losing to the team of Kongo Kong & Matt Sydal and A1 teamed with Moose defeating Austin Aries & Phil Atlas.