He was previously in Frog Eyes, Fifths of Seven, and Swan Lake.

Krug took part in a March 2001 recording session that would later become Frog Eyes' first LP, The Bloody Hand.

Wolf Parade and Frog Eyes toured that year together, allowing Krug to participate in both bands simultaneously.

He has also been a founding member in the bands Swan Lake, Frog Eyes, and Fifths of Seven.

Ego Scriptor is a 2004 album by Frog Eyes.

The arty Canadian collective Frog Eyes creates a sometimes mischievous, sometimes menacing carny cacophony.

Frog Eyes is led by singer/songwriter/guitarist Carey Mercer.

Frog Eyes performed at Wavelength No. 177 in August 2003 (Wavelength Music Arts Projects).

The Bloody Hand is the debut album by Frog Eyes, and was released in 2002 on Global Symphonic Records.

The Folded Palm is the third album by Frog Eyes, released on September 14, 2004 on Absolutely Kosher Records.